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Shawn Bohrer ad8a1b558e fadvise: only initiate writeback for specified range with FADV_DONTNEED 
Previously POSIX_FADV_DONTNEED would start writeback for the entire file
when the bdi was not write congested.  This negatively impacts performance
if the file contains dirty pages outside of the requested range.  This
change uses __filemap_fdatawrite_range() to only initiate writeback for
the requested range.

Signed-off-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Acked-by: Johannes Weiner <jweiner@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-10 16:30:43 -08:00
..
backing-dev.c
freezer: implement and use kthread_freezable_should_stop()
2011-11-21 12:32:23 -08:00
bootmem.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
bounce.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
cleancache.c
mm: cleancache core ops functions and config
2011-05-26 10:01:36 -06:00
compaction.c
convert 'memory' sysdev_class to a regular subsystem
2011-12-21 14:48:43 -08:00
debug-pagealloc.c
debug-pagealloc: add support for highmem pages
2011-10-31 17:30:48 -07:00
dmapool.c
mm: fix implicit stat.h usage in dmapool.c
2011-10-31 09:20:12 -04:00
fadvise.c
fadvise: only initiate writeback for specified range with FADV_DONTNEED
2012-01-10 16:30:43 -08:00
failslab.c
switch debugfs to umode_t
2012-01-03 22:54:56 -05:00
filemap_xip.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
filemap.c
should_remove_suid(): inode->i_mode is umode_t
2012-01-03 22:55:14 -05:00
fremap.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
highmem.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
huge_memory.c
thp: reduce khugepaged freezing latency
2011-12-09 07:50:28 -08:00
hugetlb.c
mm/hugetlb.c: fix virtual address handling in hugetlb fault
2012-01-10 16:30:42 -08:00
hwpoison-inject.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
init-mm.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
internal.h
mm: thp: tail page refcounting fix
2011-11-02 16:06:57 -07:00
Kconfig
Merge branch 'master' into x86/memblock
2011-11-28 09:46:22 -08:00
Kconfig.debug
mm: more intensive memory corruption debugging
2012-01-10 16:30:42 -08:00
kmemcheck.c
kmemcheck: Fix build errors due to missing slab.h
2010-03-30 22:02:32 +09:00
kmemleak-test.c
kmemleak: remove memset by using kzalloc
2011-01-27 18:31:51 +00:00
kmemleak.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
ksm.c
oom: fix race while temporarily setting current's oom_score_adj
2011-10-31 17:30:45 -07:00
maccess.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
madvise.c
fs: kill i_alloc_sem
2011-07-20 20:47:46 -04:00
Makefile
Cross Memory Attach
2011-10-31 17:30:44 -07:00
memblock.c
memblock: Reimplement memblock allocation using reverse free area iterator
2011-12-08 10:22:09 -08:00
memcontrol.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2012-01-09 14:46:52 -08:00
memory_hotplug.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
memory-failure.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
memory.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
mempolicy.c
mm/mempolicy.c: refix mbind_range() vma issue
2011-12-29 16:31:57 -08:00
mempool.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
migrate.c
mm: migrate: one less atomic operation
2012-01-10 16:30:41 -08:00
mincore.c
mm: clarify the radix_tree exceptional cases
2011-08-03 14:25:24 -10:00
mlock.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
mm_init.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
mmap.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
mmu_context.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
mmu_notifier.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
mmzone.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
mprotect.c
thp: mprotect: transparent huge page support
2011-01-13 17:32:44 -08:00
mremap.c
thp: mremap support and TLB optimization
2011-10-31 17:30:48 -07:00
msync.c
sanitize vfs_fsync calling conventions
2010-05-21 18:31:21 -04:00
nobootmem.c
Merge branch 'master' into x86/memblock
2011-11-28 09:46:22 -08:00
nommu.c
xen: map foreign pages for shared rings by updating the PTEs directly
2011-11-16 12:13:08 -05:00
oom_kill.c
Merge branch 'master' into pm-sleep
2011-12-21 21:59:45 +01:00
page_alloc.c
mm: more intensive memory corruption debugging
2012-01-10 16:30:42 -08:00
page_cgroup.c
mm/page_cgroup.c: quiet sparse noise
2011-11-02 16:07:00 -07:00
page_io.c
block: kill off REQ_UNPLUG
2011-03-10 08:52:27 +01:00
page_isolation.c
mm: page_isolation: codeclean fix comment and rm unneeded val init
2010-10-26 16:52:11 -07:00
page-writeback.c
mm/page-writeback.c: make determine_dirtyable_memory static again
2012-01-10 16:30:41 -08:00
pagewalk.c
pagewalk: fix code comment for THP
2011-07-25 20:57:09 -07:00
percpu-km.c
percpu: clear memory allocated with the km allocator
2010-10-02 10:28:42 +03:00
percpu-vm.c
percpu: fix chunk range calculation
2011-11-22 08:09:46 -08:00
percpu.c
percpu: fix per_cpu_ptr_to_phys() handling of non-page-aligned addresses
2011-12-15 11:41:40 -08:00
pgtable-generic.c
mm/pgtable-generic.c: fix CONFIG_SWAP=n build
2011-01-26 10:49:58 +10:00
prio_tree.c
sanitize <linux/prefetch.h> usage
2011-05-20 12:50:29 -07:00
process_vm_access.c
Cross Memory Attach
2011-10-31 17:30:44 -07:00
quicklist.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
readahead.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
rmap.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
shmem.c
vfs: switch ->show_options() to struct dentry *
2012-01-06 23:19:54 -05:00
slab.c
tracing/mm: Move include of trace/events/kmem.h out of header into slab.c
2012-01-09 14:19:33 -08:00
slob.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
slub.c
slub: min order when debug_guardpage_minorder > 0
2012-01-10 16:30:43 -08:00
sparse-vmemmap.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
sparse.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
swap_state.c
fs: move code out of buffer.c
2012-01-03 22:54:07 -05:00
swap.c
mm: add free_hot_cold_page_list() helper
2012-01-10 16:30:41 -08:00
swapfile.c
mm: avoid livelock on !__GFP_FS allocations
2012-01-10 16:30:42 -08:00
thrash.c
mm/thrash.c: quiet sparse noise
2011-10-31 17:30:50 -07:00
truncate.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
util.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
vmalloc.c
Merge branch 'devel-stable' into for-linus
2012-01-05 13:24:33 +00:00
vmscan.c
mm: add free_hot_cold_page_list() helper
2012-01-10 16:30:41 -08:00
vmstat.c
mm/vmstat.c: cache align vm_stat
2011-10-31 17:30:51 -07:00