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
..
Makefile	[PATCH] avr32 architecture	2006-09-26 08:48:54 -07:00
cache.c	mm: Fix out-of-date comments which refers non-existent functions	2011-02-17 16:54:39 +01:00
clear_page.S	[PATCH] avr32 architecture	2006-09-26 08:48:54 -07:00
copy_page.S	[PATCH] avr32 architecture	2006-09-26 08:48:54 -07:00
dma-coherent.c	avr32: add export.h to arch/avr32 for EXPORT_SYMBOL/THIS_MODULE	2011-10-31 19:30:59 -04:00
fault.c	readahead: fault retry breaks mmap file read random detection	2012-10-09 16:22:47 +09:00
init.c	mm: now that all old mmu_gather code is gone, remove the storage	2011-05-25 08:39:16 -07:00
ioremap.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
tlb.c	MM: Pass a PTE pointer to update_mmu_cache() rather than the PTE itself	2010-02-20 16:41:46 +00:00