linux/arch/arm64/mm
Steve Capper 29e5694054 arm64: mm: enable RCU fast_gup
Activate the RCU fast_gup for ARM64.  We also need to force THP splits to
broadcast an IPI s.t.  we block in the fast_gup page walker.  As THP
splits are comparatively rare, this should not lead to a noticeable
performance degradation.

Some pre-requisite functions pud_write and pud_page are also added.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Tested-by: Dann Frazier <dann.frazier@canonical.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-10-09 22:26:01 -04:00
..
Makefile arm64: Add CONFIG_DEBUG_SET_MODULE_RONX support 2014-09-08 14:39:18 +01:00
cache.S arm64: mm: use inner-shareable barriers for inner-shareable maintenance 2014-05-09 17:21:24 +01:00
context.c arm64: Process management 2012-09-17 13:41:58 +01:00
copypage.c arm64: export __cpu_{clear,copy}_user_page functions 2014-07-08 17:30:51 +01:00
dma-mapping.c arm64: add atomic pool for non-coherent and CMA allocations 2014-10-09 22:25:52 -04:00
extable.c arm64: MMU fault handling and page table management 2012-09-17 13:41:57 +01:00
fault.c arm64: mm: Implement 4 levels of translation tables 2014-07-23 15:27:40 +01:00
flush.c arm64: mm: enable RCU fast_gup 2014-10-09 22:26:01 -04:00
hugetlbpage.c hugetlb: restrict hugepage_migration_support() to x86_64 2014-06-04 16:53:51 -07:00
init.c arm64 updates for 3.18: 2014-10-08 05:34:24 -04:00
ioremap.c arm64: Convert bool ARM64_x_LEVELS to int ARM64_PGTABLE_LEVELS 2014-07-23 15:27:46 +01:00
mm.h arm64: Remove __flush_dcache_page() 2013-06-07 17:58:30 +01:00
mmap.c arm64: Use phys_addr_t type for physical address 2014-10-02 17:22:41 +01:00
mmu.c arm64: LLVMLinux: Fix inline arm64 assembly for use with clang 2014-09-15 17:56:39 +01:00
pageattr.c arm64: pageattr: Correctly adjust unaligned start addresses 2014-09-12 16:34:50 +01:00
pgd.c arm64: simplify pgd_alloc 2014-02-05 10:45:07 +00:00
proc-macros.S arm64: mm: use ubfm for dcache_line_size 2014-01-22 16:23:58 +00:00
proc.S arm64: convert part of soft_restart() to assembly 2014-09-08 14:39:18 +01:00