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authorShaohua Li <shli@kernel.org>2013-02-22 16:32:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-23 17:50:10 -0800
commit1998cc048901109a29924380b8e91bc049b32951 (patch)
tree71c6875e8a9a6da14899f74e2dd3168d99374bd5 /mm/compaction.c
parenta394cb8ee632ec5edce20309901ec66767497a43 (diff)
mm: make madvise(MADV_WILLNEED) support swap file prefetch
Make madvise(MADV_WILLNEED) support swap file prefetch. If memory is swapout, this syscall can do swapin prefetch. It has no impact if the memory isn't swapout. [akpm@linux-foundation.org: fix CONFIG_SWAP=n build] [sasha.levin@oracle.com: fix BUG on madvise early failure] Signed-off-by: Shaohua Li <shli@fusionio.com> Cc: Hugh Dickins <hughd@google.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/compaction.c')
0 files changed, 0 insertions, 0 deletions