Shaohua Li 45cac65b0f readahead: fault retry breaks mmap file read random detection ... .fault now can retry. The retry can break state machine of .fault. In filemap_fault, if page is miss, ra->mmap_miss is increased. In the second try, since the page is in page cache now, ra->mmap_miss is decreased. And these are done in one fault, so we can't detect random mmap file access. Add a new flag to indicate .fault is tried once. In the second try, skip ra->mmap_miss decreasing. The filemap_fault state machine is ok with it. I only tested x86, didn't test other archs, but looks the change for other archs is obvious, but who knows :) Signed-off-by: Shaohua Li <shaohua.li@fusionio.com> Cc: Rik van Riel <riel@redhat.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2012-10-09 16:22:47 +09:00
..
40x_mmu.c	memblock: Remove rmo_size, burry it in arch/powerpc where it belongs	2010-08-05 12:56:08 +10:00
44x_mmu.c	Disintegrate asm/system.h for PowerPC	2012-03-28 18:30:02 +01:00
dma-noncoherent.c	powerpc: remove the second argument of k[un]map_atomic()	2012-03-20 21:48:14 +08:00
fault.c	readahead: fault retry breaks mmap file read random detection	2012-10-09 16:22:47 +09:00
fsl_booke_mmu.c	powerpc/fsl-booke: Fixup calc_cam_sz to support MMU v2	2012-03-15 12:12:19 -05:00
gup.c	powerpc: remove superfluous PageTail checks on the pte gup_fast	2011-11-02 16:06:57 -07:00
hash_low_32.S	powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly	2012-07-11 14:18:22 +10:00
hash_low_64.S	powerpc/mm: Convert virtual address to vpn	2012-09-17 16:31:49 +10:00
hash_native_64.c	powerpc: Remove tlb batching hack for nighthawk	2012-09-27 12:51:06 +10:00
hash_utils_64.c	powerpc/mm: Increase the slice range to 64TB	2012-09-17 16:31:50 +10:00
highmem.c	mm: fix race in kunmap_atomic()	2010-10-27 18:03:05 -07:00
hugetlbpage-book3e.c	powerpc/book3e: Change hugetlb preload to take vma argument	2011-12-07 16:26:24 +11:00
hugetlbpage-hash64.c	powerpc/mm: Convert virtual address to vpn	2012-09-17 16:31:49 +10:00
hugetlbpage.c	powerpc: fix compile fail in hugetlb cmdline parsing	2012-05-07 16:51:19 -07:00
icswx_pid.c	powerpc: Split ICSWX ACOP and PID processing	2011-11-25 14:11:27 +11:00
icswx.c	powerpc/icswx: Fix race condition with IPI setting ACOP	2012-03-07 17:06:09 +11:00
icswx.h	powerpc/icswx: Fix race condition with IPI setting ACOP	2012-03-07 17:06:09 +11:00
init_32.c	Disintegrate asm/system.h for PowerPC	2012-03-28 18:30:02 +01:00
init_64.c	powerpc: Remove all includes of <asm/abs_addr.h>	2012-09-05 15:19:33 +10:00
Makefile	powerpc: Split ICSWX ACOP and PID processing	2011-11-25 14:11:27 +11:00
mem.c	powerpc/swiotlb: Enable at early stage and disable if not necessary	2012-09-12 14:57:09 -05:00
mmap_64.c	powerpc+sparc64/mm: Remove hack in mmap randomize layout	2011-11-28 11:42:09 +11:00
mmu_context_hash32.c	powerpc: include export.h for files using EXPORT_SYMBOL/THIS_MODULE	2011-10-31 19:30:38 -04:00
mmu_context_hash64.c	powerpc/mm: Update VSID allocation documentation	2012-09-17 16:31:53 +10:00
mmu_context_nohash.c	powerpc: use clear_tasks_mm_cpumask()	2012-05-31 17:49:29 -07:00
mmu_decl.h	powerpc/fsl-booke: Fix setup_initial_memory_limit to not blindly map	2011-10-11 23:30:41 -05:00
numa.c	powerpc/vphn: Fix arch_update_cpu_topology() return value	2012-09-05 16:05:19 +10:00
pgtable_32.c	Disintegrate asm/system.h for PowerPC	2012-03-28 18:30:02 +01:00
pgtable_64.c	powerpc/mm: Make some of the PGTABLE_RANGE dependency explicit	2012-09-17 16:31:53 +10:00
pgtable.c	powerpc: Hugetlb for BookE	2011-09-20 09:19:40 +10:00
ppc_mmu_32.c	memblock: Remove rmo_size, burry it in arch/powerpc where it belongs	2010-08-05 12:56:08 +10:00
slb_low.S	powerpc/mm: Add 64TB support	2012-09-17 16:31:51 +10:00
slb.c	powerpc: Remove FW_FEATURE ISERIES from arch code	2012-03-21 11:16:11 +11:00
slice.c	powerpc/mm: Make some of the PGTABLE_RANGE dependency explicit	2012-09-17 16:31:53 +10:00
stab.c	powerpc/mm: Remove uses of abs_to_virt() and virt_to_abs()	2012-09-05 15:19:31 +10:00
subpage-prot.c	powerpc/mm: Match variable types to API	2012-09-10 14:37:31 +10:00
tlb_hash32.c	powerpc: include export.h for files using EXPORT_SYMBOL/THIS_MODULE	2011-10-31 19:30:38 -04:00
tlb_hash64.c	powerpc/mm: Convert virtual address to vpn	2012-09-17 16:31:49 +10:00
tlb_low_64e.S	powerpc/booke64: Use SPRG0/3 scratch for bolted TLB miss & crit int	2012-09-05 15:35:52 +10:00
tlb_nohash_low.S	powerpc: Enforce usage of RA 0-R31 where possible	2012-07-10 19:18:35 +10:00
tlb_nohash.c	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	2012-01-06 17:58:22 -08:00