linux_dsm_epyc7002/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
..
cache.S
context.c
copypage.c
dma-mapping.c arm64: add atomic pool for non-coherent and CMA allocations 2014-10-09 22:25:52 -04:00
extable.c
fault.c
flush.c arm64: mm: enable RCU fast_gup 2014-10-09 22:26:01 -04:00
hugetlbpage.c
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
Makefile arm64: Add CONFIG_DEBUG_SET_MODULE_RONX support 2014-09-08 14:39:18 +01:00
mm.h
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
proc-macros.S
proc.S arm64: convert part of soft_restart() to assembly 2014-09-08 14:39:18 +01:00