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mm: Pass virtual address to [__]p{te,ud,md}_free_tlb() 

mm: Pass virtual address to [__]p{te,ud,md}_free_tlb()

Upcoming paches to support the new 64-bit "BookE" powerpc architecture
will need to have the virtual address corresponding to PTE page when
freeing it, due to the way the HW table walker works.

Basically, the TLB can be loaded with "large" pages that cover the whole
virtual space (well, sort-of, half of it actually) represented by a PTE
page, and which contain an "indirect" bit indicating that this TLB entry
RPN points to an array of PTEs from which the TLB can then create direct
entries. Thus, in order to invalidate those when PTE pages are deleted,
we need the virtual address to pass to tlbilx or tlbivax instructions.

The old trick of sticking it somewhere in the PTE page struct page sucks
too much, the address is almost readily available in all call sites and
almost everybody implemets these as macros, so we may as well add the
argument everywhere. I added it to the pmd and pud variants for consistency.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David Howells <dhowells@redhat.com> [MN10300 & FRV]
Acked-by: Nick Piggin <npiggin@suse.de>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> [s390]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Benjamin Herrenschmidt 2009-07-22 15:44:28 +10:00 committed by Linus Torvalds
parent 4be3bd7849
commit 9e1b32caa5
34 changed files with 107 additions and 82 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/alpha/include/asm/tlb.h
View File

@ -9,7 +9,7 @@
#include <asm-generic/tlb.h>
#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte)
#define __pmd_free_tlb(tlb, pmd) pmd_free((tlb)->mm, pmd)
#define __pte_free_tlb(tlb, pte, address) pte_free((tlb)->mm, pte)
#define __pmd_free_tlb(tlb, pmd, address) pmd_free((tlb)->mm, pmd)
#endif

4
arch/arm/include/asm/tlb.h
View File

@ -102,8 +102,8 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
}
#define tlb_remove_page(tlb,page) free_page_and_swap_cache(page)
#define pte_free_tlb(tlb, ptep) pte_free((tlb)->mm, ptep)
#define pmd_free_tlb(tlb, pmdp) pmd_free((tlb)->mm, pmdp)
#define pte_free_tlb(tlb, ptep, addr) pte_free((tlb)->mm, ptep)
#define pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, pmdp)
#define tlb_migrate_finish(mm) do { } while (0)

2
arch/avr32/include/asm/pgalloc.h
View File

@ -83,7 +83,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
quicklist_free_page(QUICK_PT, NULL, pte);
}
#define __pte_free_tlb(tlb,pte) \
#define __pte_free_tlb(tlb,pte,addr) \
do { \
pgtable_page_dtor(pte); \
tlb_remove_page((tlb), pte); \

2
arch/cris/include/asm/pgalloc.h
View File

@ -47,7 +47,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
__free_page(pte);
}
#define __pte_free_tlb(tlb,pte) \
#define __pte_free_tlb(tlb,pte,address) \
do { \
pgtable_page_dtor(pte); \
tlb_remove_page((tlb), pte); \

4
arch/frv/include/asm/pgalloc.h
View File

@ -49,7 +49,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
__free_page(pte);
}
#define __pte_free_tlb(tlb,pte) \
#define __pte_free_tlb(tlb,pte,address) \
do { \
pgtable_page_dtor(pte); \
tlb_remove_page((tlb),(pte)); \
@ -62,7 +62,7 @@ do { \
*/
#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *) 2); })
#define pmd_free(mm, x) do { } while (0)
#define __pmd_free_tlb(tlb,x) do { } while (0)
#define __pmd_free_tlb(tlb,x,a) do { } while (0)
#endif /* CONFIG_MMU */

2
arch/frv/include/asm/pgtable.h
View File

@ -225,7 +225,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address)
*/
#define pud_alloc_one(mm, address) NULL
#define pud_free(mm, x) do { } while (0)
#define __pud_free_tlb(tlb, x) do { } while (0)
#define __pud_free_tlb(tlb, x, address) do { } while (0)
/*
* The "pud_xxx()" functions here are trivial for a folded two-level

6
arch/ia64/include/asm/pgalloc.h
View File

@ -48,7 +48,7 @@ static inline void pud_free(struct mm_struct *mm, pud_t *pud)
{
quicklist_free(0, NULL, pud);
}
#define __pud_free_tlb(tlb, pud) pud_free((tlb)->mm, pud)
#define __pud_free_tlb(tlb, pud, address) pud_free((tlb)->mm, pud)
#endif /* CONFIG_PGTABLE_4 */
static inline void
@ -67,7 +67,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
quicklist_free(0, NULL, pmd);
}
#define __pmd_free_tlb(tlb, pmd) pmd_free((tlb)->mm, pmd)
#define __pmd_free_tlb(tlb, pmd, address) pmd_free((tlb)->mm, pmd)
static inline void
pmd_populate(struct mm_struct *mm, pmd_t * pmd_entry, pgtable_t pte)
@ -117,6 +117,6 @@ static inline void check_pgt_cache(void)
quicklist_trim(0, NULL, 25, 16);
}
#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte)
#define __pte_free_tlb(tlb, pte, address) pte_free((tlb)->mm, pte)
#endif /* _ASM_IA64_PGALLOC_H */

12
arch/ia64/include/asm/tlb.h
View File

@ -236,22 +236,22 @@ do { \
__tlb_remove_tlb_entry(tlb, ptep, addr); \
} while (0)
#define pte_free_tlb(tlb, ptep) \
#define pte_free_tlb(tlb, ptep, address) \
do { \
tlb->need_flush = 1; \
__pte_free_tlb(tlb, ptep); \
__pte_free_tlb(tlb, ptep, address); \
} while (0)
#define pmd_free_tlb(tlb, ptep) \
#define pmd_free_tlb(tlb, ptep, address) \
do { \
tlb->need_flush = 1; \
__pmd_free_tlb(tlb, ptep); \
__pmd_free_tlb(tlb, ptep, address); \
} while (0)
#define pud_free_tlb(tlb, pudp) \
#define pud_free_tlb(tlb, pudp, address) \
do { \
tlb->need_flush = 1; \
__pud_free_tlb(tlb, pudp); \
__pud_free_tlb(tlb, pudp, address); \
} while (0)
#endif /* _ASM_IA64_TLB_H */

4
arch/m32r/include/asm/pgalloc.h
View File

@ -58,7 +58,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
__free_page(pte);
}
#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte))
#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte))
/*
* allocating and freeing a pmd is trivial: the 1-entry pmd is
@ -68,7 +68,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
#define pmd_free(mm, x) do { } while (0)
#define __pmd_free_tlb(tlb, x) do { } while (0)
#define __pmd_free_tlb(tlb, x, addr) do { } while (0)
#define pgd_populate(mm, pmd, pte) BUG()
#define check_pgt_cache() do { } while (0)

6
arch/m68k/include/asm/motorola_pgalloc.h
View File

@ -54,7 +54,8 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t page)
__free_page(page);
}
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page)
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page,
unsigned long address)
{
pgtable_page_dtor(page);
cache_page(kmap(page));
@ -73,7 +74,8 @@ static inline int pmd_free(struct mm_struct *mm, pmd_t *pmd)
return free_pointer_table(pmd);
}
static inline int __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
static inline int __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
unsigned long address)
{
return free_pointer_table(pmd);
}

4
arch/m68k/include/asm/sun3_pgalloc.h
View File

@ -32,7 +32,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t page)
__free_page(page);
}
#define __pte_free_tlb(tlb,pte) \
#define __pte_free_tlb(tlb,pte,addr) \
do { \
pgtable_page_dtor(pte); \
tlb_remove_page((tlb), pte); \
@ -80,7 +80,7 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page
* inside the pgd, so has no extra memory associated with it.
*/
#define pmd_free(mm, x) do { } while (0)
#define __pmd_free_tlb(tlb, x) do { } while (0)
#define __pmd_free_tlb(tlb, x, addr) do { } while (0)
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{

4
arch/microblaze/include/asm/pgalloc.h
View File

@ -180,7 +180,7 @@ extern inline void pte_free(struct mm_struct *mm, struct page *ptepage)
__free_page(ptepage);
}
#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte))
#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte))
#define pmd_populate(mm, pmd, pte) (pmd_val(*(pmd)) = page_address(pte))
@ -193,7 +193,7 @@ extern inline void pte_free(struct mm_struct *mm, struct page *ptepage)
*/
#define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); })
/*#define pmd_free(mm, x) do { } while (0)*/
#define __pmd_free_tlb(tlb, x) do { } while (0)
#define __pmd_free_tlb(tlb, x, addr) do { } while (0)
#define pgd_populate(mm, pmd, pte) BUG()
extern int do_check_pgt_cache(int, int);

6
arch/mips/include/asm/pgalloc.h
View File

@ -98,7 +98,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
__free_pages(pte, PTE_ORDER);
}
#define __pte_free_tlb(tlb,pte) \
#define __pte_free_tlb(tlb,pte,address) \
do { \
pgtable_page_dtor(pte); \
tlb_remove_page((tlb), pte); \
@ -111,7 +111,7 @@ do { \
* inside the pgd, so has no extra memory associated with it.
*/
#define pmd_free(mm, x) do { } while (0)
#define __pmd_free_tlb(tlb, x) do { } while (0)
#define __pmd_free_tlb(tlb, x, addr) do { } while (0)
#endif
@ -132,7 +132,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
free_pages((unsigned long)pmd, PMD_ORDER);
}
#define __pmd_free_tlb(tlb, x) pmd_free((tlb)->mm, x)
#define __pmd_free_tlb(tlb, x, addr) pmd_free((tlb)->mm, x)
#endif

2
arch/mn10300/include/asm/pgalloc.h
View File

@ -51,6 +51,6 @@ static inline void pte_free(struct mm_struct *mm, struct page *pte)
}
#define __pte_free_tlb(tlb, pte) tlb_remove_page((tlb), (pte))
#define __pte_free_tlb(tlb, pte, addr) tlb_remove_page((tlb), (pte))
#endif /* _ASM_PGALLOC_H */

4
arch/parisc/include/asm/tlb.h
View File

@ -21,7 +21,7 @@ do { if (!(tlb)->fullmm) \
#include <asm-generic/tlb.h>
#define __pmd_free_tlb(tlb, pmd) pmd_free((tlb)->mm, pmd)
#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte)
#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd)
#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte)
#endif

2
arch/powerpc/include/asm/pgalloc-32.h
View File

@ -16,7 +16,7 @@ extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
*/
/* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */
#define pmd_free(mm, x) do { } while (0)
#define __pmd_free_tlb(tlb,x) do { } while (0)
#define __pmd_free_tlb(tlb,x,a) do { } while (0)
/* #define pgd_populate(mm, pmd, pte) BUG() */
#ifndef CONFIG_BOOKE

4
arch/powerpc/include/asm/pgalloc-64.h
View File

@ -118,11 +118,11 @@ static inline void pgtable_free(pgtable_free_t pgf)
kmem_cache_free(pgtable_cache[cachenum], p);
}
#define __pmd_free_tlb(tlb, pmd) \
#define __pmd_free_tlb(tlb, pmd,addr) \
pgtable_free_tlb(tlb, pgtable_free_cache(pmd, \
PMD_CACHE_NUM, PMD_TABLE_SIZE-1))
#ifndef CONFIG_PPC_64K_PAGES
#define __pud_free_tlb(tlb, pud) \
#define __pud_free_tlb(tlb, pud, addr) \
pgtable_free_tlb(tlb, pgtable_free_cache(pud, \
PUD_CACHE_NUM, PUD_TABLE_SIZE-1))
#endif /* CONFIG_PPC_64K_PAGES */

6
arch/powerpc/include/asm/pgalloc.h
View File

@ -38,14 +38,14 @@ static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum,
extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf);
#ifdef CONFIG_SMP
#define __pte_free_tlb(tlb,ptepage) \
#define __pte_free_tlb(tlb,ptepage,address) \
do { \
pgtable_page_dtor(ptepage); \
pgtable_free_tlb(tlb, pgtable_free_cache(page_address(ptepage), \
PTE_NONCACHE_NUM, PTE_TABLE_SIZE-1)); \
PTE_NONCACHE_NUM, PTE_TABLE_SIZE-1)); \
} while (0)
#else
#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte))
#define __pte_free_tlb(tlb, pte, address) pte_free((tlb)->mm, (pte))
#endif

4
arch/powerpc/mm/hugetlbpage.c
View File

@ -305,7 +305,7 @@ static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
pmd = pmd_offset(pud, start);
pud_clear(pud);
pmd_free_tlb(tlb, pmd);
pmd_free_tlb(tlb, pmd, start);
}
static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
@ -348,7 +348,7 @@ static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
pud = pud_offset(pgd, start);
pgd_clear(pgd);
pud_free_tlb(tlb, pud);
pud_free_tlb(tlb, pud, start);
}
/*

9
arch/s390/include/asm/tlb.h
View File

@ -96,7 +96,8 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
* pte_free_tlb frees a pte table and clears the CRSTE for the
* page table from the tlb.
*/
static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte)
static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
unsigned long address)
{
if (!tlb->fullmm) {
tlb->array[tlb->nr_ptes++] = pte;
@ -113,7 +114,8 @@ static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte)
* as the pgd. pmd_free_tlb checks the asce_limit against 2GB
* to avoid the double free of the pmd in this case.
*/
static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
unsigned long address)
{
#ifdef __s390x__
if (tlb->mm->context.asce_limit <= (1UL << 31))
@ -134,7 +136,8 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
* as the pgd. pud_free_tlb checks the asce_limit against 4TB
* to avoid the double free of the pud in this case.
*/
static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud)
static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
unsigned long address)
{
#ifdef __s390x__
if (tlb->mm->context.asce_limit <= (1UL << 42))

4
arch/sh/include/asm/pgalloc.h
View File

@ -73,7 +73,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
quicklist_free_page(QUICK_PT, NULL, pte);
}
#define __pte_free_tlb(tlb,pte) \
#define __pte_free_tlb(tlb,pte,addr) \
do { \
pgtable_page_dtor(pte); \
tlb_remove_page((tlb), (pte)); \
@ -85,7 +85,7 @@ do { \
*/
#define pmd_free(mm, x) do { } while (0)
#define __pmd_free_tlb(tlb,x) do { } while (0)
#define __pmd_free_tlb(tlb,x,addr) do { } while (0)
static inline void check_pgt_cache(void)
{

6
arch/sh/include/asm/tlb.h
View File

@ -91,9 +91,9 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
}
#define tlb_remove_page(tlb,page) free_page_and_swap_cache(page)
#define pte_free_tlb(tlb, ptep) pte_free((tlb)->mm, ptep)
#define pmd_free_tlb(tlb, pmdp) pmd_free((tlb)->mm, pmdp)
#define pud_free_tlb(tlb, pudp) pud_free((tlb)->mm, pudp)
#define pte_free_tlb(tlb, ptep, addr) pte_free((tlb)->mm, ptep)
#define pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, pmdp)
#define pud_free_tlb(tlb, pudp, addr) pud_free((tlb)->mm, pudp)
#define tlb_migrate_finish(mm) do { } while (0)

8
arch/sparc/include/asm/pgalloc_32.h
View File

@ -44,8 +44,8 @@ BTFIXUPDEF_CALL(pmd_t *, pmd_alloc_one, struct mm_struct *, unsigned long)
BTFIXUPDEF_CALL(void, free_pmd_fast, pmd_t *)
#define free_pmd_fast(pmd) BTFIXUP_CALL(free_pmd_fast)(pmd)
#define pmd_free(mm, pmd) free_pmd_fast(pmd)
#define __pmd_free_tlb(tlb, pmd) pmd_free((tlb)->mm, pmd)
#define pmd_free(mm, pmd) free_pmd_fast(pmd)
#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd)
BTFIXUPDEF_CALL(void, pmd_populate, pmd_t *, struct page *)
#define pmd_populate(MM, PMD, PTE) BTFIXUP_CALL(pmd_populate)(PMD, PTE)
@ -62,7 +62,7 @@ BTFIXUPDEF_CALL(void, free_pte_fast, pte_t *)
#define pte_free_kernel(mm, pte) BTFIXUP_CALL(free_pte_fast)(pte)
BTFIXUPDEF_CALL(void, pte_free, pgtable_t )
#define pte_free(mm, pte) BTFIXUP_CALL(pte_free)(pte)
#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte)
#define pte_free(mm, pte) BTFIXUP_CALL(pte_free)(pte)
#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte)
#endif /* _SPARC_PGALLOC_H */

6
arch/sparc/include/asm/tlb_64.h
View File

@ -100,9 +100,9 @@ static inline void tlb_remove_page(struct mmu_gather *mp, struct page *page)
}
#define tlb_remove_tlb_entry(mp,ptep,addr) do { } while (0)
#define pte_free_tlb(mp, ptepage) pte_free((mp)->mm, ptepage)
#define pmd_free_tlb(mp, pmdp) pmd_free((mp)->mm, pmdp)
#define pud_free_tlb(tlb,pudp) __pud_free_tlb(tlb,pudp)
#define pte_free_tlb(mp, ptepage, addr) pte_free((mp)->mm, ptepage)
#define pmd_free_tlb(mp, pmdp, addr) pmd_free((mp)->mm, pmdp)
#define pud_free_tlb(tlb,pudp, addr) __pud_free_tlb(tlb,pudp,addr)
#define tlb_migrate_finish(mm) do { } while (0)
#define tlb_start_vma(tlb, vma) do { } while (0)

4
arch/um/include/asm/pgalloc.h
View File

@ -40,7 +40,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
__free_page(pte);
}
#define __pte_free_tlb(tlb,pte) \
#define __pte_free_tlb(tlb,pte, address) \
do { \
pgtable_page_dtor(pte); \
tlb_remove_page((tlb),(pte)); \
@ -53,7 +53,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
free_page((unsigned long)pmd);
}
#define __pmd_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x))
#define __pmd_free_tlb(tlb,x, address) tlb_remove_page((tlb),virt_to_page(x))
#endif
#define check_pgt_cache() do { } while (0)

6
arch/um/include/asm/tlb.h
View File

@ -116,11 +116,11 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
__tlb_remove_tlb_entry(tlb, ptep, address); \
} while (0)
#define pte_free_tlb(tlb, ptep) __pte_free_tlb(tlb, ptep)
#define pte_free_tlb(tlb, ptep, addr) __pte_free_tlb(tlb, ptep, addr)
#define pud_free_tlb(tlb, pudp) __pud_free_tlb(tlb, pudp)
#define pud_free_tlb(tlb, pudp, addr) __pud_free_tlb(tlb, pudp, addr)
#define pmd_free_tlb(tlb, pmdp) __pmd_free_tlb(tlb, pmdp)
#define pmd_free_tlb(tlb, pmdp, addr) __pmd_free_tlb(tlb, pmdp, addr)
#define tlb_migrate_finish(mm) do {} while (0)

25
arch/x86/include/asm/pgalloc.h
View File

@ -46,7 +46,13 @@ static inline void pte_free(struct mm_struct *mm, struct page *pte)
__free_page(pte);
}
extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte);
extern void ___pte_free_tlb(struct mmu_gather *tlb, struct page *pte);
static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte,
unsigned long address)
{
___pte_free_tlb(tlb, pte);
}
static inline void pmd_populate_kernel(struct mm_struct *mm,
pmd_t *pmd, pte_t *pte)
@ -78,7 +84,13 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
free_page((unsigned long)pmd);
}
extern void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd);
extern void ___pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd);
static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
unsigned long adddress)
{
___pmd_free_tlb(tlb, pmd);
}
#ifdef CONFIG_X86_PAE
extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
@ -108,7 +120,14 @@ static inline void pud_free(struct mm_struct *mm, pud_t *pud)
free_page((unsigned long)pud);
}
extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud);
extern void ___pud_free_tlb(struct mmu_gather *tlb, pud_t *pud);
static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
unsigned long address)
{
___pud_free_tlb(tlb, pud);
}
#endif /* PAGETABLE_LEVELS > 3 */
#endif /* PAGETABLE_LEVELS > 2 */

6
arch/x86/mm/pgtable.c
View File

@ -25,7 +25,7 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
return pte;
}
void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
void ___pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
{
pgtable_page_dtor(pte);
paravirt_release_pte(page_to_pfn(pte));
@ -33,14 +33,14 @@ void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
}
#if PAGETABLE_LEVELS > 2
void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
void ___pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
{
paravirt_release_pmd(__pa(pmd) >> PAGE_SHIFT);
tlb_remove_page(tlb, virt_to_page(pmd));
}
#if PAGETABLE_LEVELS > 3
void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud)
void ___pud_free_tlb(struct mmu_gather *tlb, pud_t *pud)
{
paravirt_release_pud(__pa(pud) >> PAGE_SHIFT);
tlb_remove_page(tlb, virt_to_page(pud));

2
arch/xtensa/include/asm/tlb.h
View File

@ -42,6 +42,6 @@
#include <asm-generic/tlb.h>
#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte)
#define __pte_free_tlb(tlb, pte, address) pte_free((tlb)->mm, pte)
#endif /* _XTENSA_TLB_H */

4
include/asm-generic/4level-fixup.h
View File

@ -27,9 +27,9 @@
#define pud_page_vaddr(pud) pgd_page_vaddr(pud)
#undef pud_free_tlb
#define pud_free_tlb(tlb, x) do { } while (0)
#define pud_free_tlb(tlb, x, addr) do { } while (0)
#define pud_free(mm, x) do { } while (0)
#define __pud_free_tlb(tlb, x) do { } while (0)
#define __pud_free_tlb(tlb, x, addr) do { } while (0)
#undef pud_addr_end
#define pud_addr_end(addr, end) (end)

2
include/asm-generic/pgtable-nopmd.h
View File

@ -59,7 +59,7 @@ static inline pmd_t * pmd_offset(pud_t * pud, unsigned long address)
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
}
#define __pmd_free_tlb(tlb, x) do { } while (0)
#define __pmd_free_tlb(tlb, x, a) do { } while (0)
#undef pmd_addr_end
#define pmd_addr_end(addr, end) (end)

2
include/asm-generic/pgtable-nopud.h
View File

@ -52,7 +52,7 @@ static inline pud_t * pud_offset(pgd_t * pgd, unsigned long address)
*/
#define pud_alloc_one(mm, address) NULL
#define pud_free(mm, x) do { } while (0)
#define __pud_free_tlb(tlb, x) do { } while (0)
#define __pud_free_tlb(tlb, x, a) do { } while (0)
#undef pud_addr_end
#define pud_addr_end(addr, end) (end)

12
include/asm-generic/tlb.h
View File

@ -123,24 +123,24 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
__tlb_remove_tlb_entry(tlb, ptep, address); \
} while (0)
#define pte_free_tlb(tlb, ptep) \
#define pte_free_tlb(tlb, ptep, address) \
do { \
tlb->need_flush = 1; \
__pte_free_tlb(tlb, ptep); \
__pte_free_tlb(tlb, ptep, address); \
} while (0)
#ifndef __ARCH_HAS_4LEVEL_HACK
#define pud_free_tlb(tlb, pudp) \
#define pud_free_tlb(tlb, pudp, address) \
do { \
tlb->need_flush = 1; \
__pud_free_tlb(tlb, pudp); \
__pud_free_tlb(tlb, pudp, address); \
} while (0)
#endif
#define pmd_free_tlb(tlb, pmdp) \
#define pmd_free_tlb(tlb, pmdp, address) \
do { \
tlb->need_flush = 1; \
__pmd_free_tlb(tlb, pmdp); \
__pmd_free_tlb(tlb, pmdp, address); \
} while (0)
#define tlb_migrate_finish(mm) do {} while (0)

11
mm/memory.c
View File

@ -135,11 +135,12 @@ void pmd_clear_bad(pmd_t *pmd)
* Note: this doesn't free the actual pages themselves. That
* has been handled earlier when unmapping all the memory regions.
*/
static void free_pte_range(struct mmu_gather *tlb, pmd_t *pmd)
static void free_pte_range(struct mmu_gather *tlb, pmd_t *pmd,
unsigned long addr)
{
pgtable_t token = pmd_pgtable(*pmd);
pmd_clear(pmd);
pte_free_tlb(tlb, token);
pte_free_tlb(tlb, token, addr);
tlb->mm->nr_ptes--;
}
@ -157,7 +158,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
next = pmd_addr_end(addr, end);
if (pmd_none_or_clear_bad(pmd))
continue;
free_pte_range(tlb, pmd);
free_pte_range(tlb, pmd, addr);
} while (pmd++, addr = next, addr != end);
start &= PUD_MASK;
@ -173,7 +174,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
pmd = pmd_offset(pud, start);
pud_clear(pud);
pmd_free_tlb(tlb, pmd);
pmd_free_tlb(tlb, pmd, start);
}
static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
@ -206,7 +207,7 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
pud = pud_offset(pgd, start);
pgd_clear(pgd);
pud_free_tlb(tlb, pud);
pud_free_tlb(tlb, pud, start);
}
/*