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Shaohua Li authored
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>
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