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sparc64: Use 'ILOG2_4MB' instead of constant '22'. 

[ Upstream commit 0eef331a3d ]

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David S. Miller 2014-05-03 22:52:50 -07:00 committed by Greg Kroah-Hartman
parent 97f73178c9
commit eb8ab8736f
4 changed files with 10 additions and 10 deletions
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2
arch/sparc/include/asm/pgtable_64.h
View File

@ -918,7 +918,7 @@ static inline bool kern_addr_valid(unsigned long addr)
if ((paddr >> MAX_PHYS_ADDRESS_BITS) != 0UL)
return false;
return test_bit(paddr >> 22, sparc64_valid_addr_bitmap);
return test_bit(paddr >> ILOG2_4MB, sparc64_valid_addr_bitmap);
}
extern int page_in_phys_avail(unsigned long paddr);

4
arch/sparc/kernel/head_64.S
View File

@ -282,8 +282,8 @@ sun4v_chip_type:
stx %l2, [%l4 + 0x0]
ldx [%sp + 2047 + 128 + 0x50], %l3 ! physaddr low
/* 4MB align */
srlx %l3, 22, %l3
sllx %l3, 22, %l3
srlx %l3, ILOG2_4MB, %l3
sllx %l3, ILOG2_4MB, %l3
stx %l3, [%l4 + 0x8]
/* Leave service as-is, "call-method" */

2
arch/sparc/kernel/ktlb.S
View File

@ -277,7 +277,7 @@ kvmap_dtlb_load:
#ifdef CONFIG_SPARSEMEM_VMEMMAP
kvmap_vmemmap:
sub %g4, %g5, %g5
srlx %g5, 22, %g5
srlx %g5, ILOG2_4MB, %g5
sethi %hi(vmemmap_table), %g1
sllx %g5, 3, %g5
or %g1, %lo(vmemmap_table), %g1

12
arch/sparc/mm/init_64.c
View File

@ -588,7 +588,7 @@ static void __init remap_kernel(void)
int i, tlb_ent = sparc64_highest_locked_tlbent();
tte_vaddr = (unsigned long) KERNBASE;
phys_page = (prom_boot_mapping_phys_low >> 22UL) << 22UL;
phys_page = (prom_boot_mapping_phys_low >> ILOG2_4MB) << ILOG2_4MB;
tte_data = kern_large_tte(phys_page);
kern_locked_tte_data = tte_data;
@ -1881,7 +1881,7 @@ void __init paging_init(void)
BUILD_BUG_ON(NR_CPUS > 4096);
kern_base = (prom_boot_mapping_phys_low >> 22UL) << 22UL;
kern_base = (prom_boot_mapping_phys_low >> ILOG2_4MB) << ILOG2_4MB;
kern_size = (unsigned long)&_end - (unsigned long)KERNBASE;
/* Invalidate both kernel TSBs. */
@ -1937,7 +1937,7 @@ void __init paging_init(void)
shift = kern_base + PAGE_OFFSET - ((unsigned long)KERNBASE);
real_end = (unsigned long)_end;
num_kernel_image_mappings = DIV_ROUND_UP(real_end - KERNBASE, 1 << 22);
num_kernel_image_mappings = DIV_ROUND_UP(real_end - KERNBASE, 1 << ILOG2_4MB);
printk("Kernel: Using %d locked TLB entries for main kernel image.\n",
num_kernel_image_mappings);
@ -2094,7 +2094,7 @@ static void __init setup_valid_addr_bitmap_from_pavail(unsigned long *bitmap)
if (new_start <= old_start &&
new_end >= (old_start + PAGE_SIZE)) {
set_bit(old_start >> 22, bitmap);
set_bit(old_start >> ILOG2_4MB, bitmap);
goto do_next_page;
}
}
@ -2143,7 +2143,7 @@ void __init mem_init(void)
addr = PAGE_OFFSET + kern_base;
last = PAGE_ALIGN(kern_size) + addr;
while (addr < last) {
set_bit(__pa(addr) >> 22, sparc64_valid_addr_bitmap);
set_bit(__pa(addr) >> ILOG2_4MB, sparc64_valid_addr_bitmap);
addr += PAGE_SIZE;
}
@ -2267,7 +2267,7 @@ int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend,
void *block;
if (!(*vmem_pp & _PAGE_VALID)) {
block = vmemmap_alloc_block(1UL << 22, node);
block = vmemmap_alloc_block(1UL << ILOG2_4MB, node);
if (!block)
return -ENOMEM;