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madvise: update function comment of madvise_dontneed

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Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fernando Luis Vazquez Cao 2008-07-29 22:33:39 -07:00 committed by Linus Torvalds
parent 641de9d8f5
commit 7e6cbea39a
1 changed files with 2 additions and 2 deletions
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mm/madvise.c
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@ -132,10 +132,10 @@ static long madvise_willneed(struct vm_area_struct * vma,
* Application no longer needs these pages. If the pages are dirty,
* it's OK to just throw them away. The app will be more careful about
* data it wants to keep. Be sure to free swap resources too. The
* zap_page_range call sets things up for refill_inactive to actually free
* zap_page_range call sets things up for shrink_active_list to actually free
* these pages later if no one else has touched them in the meantime,
* although we could add these pages to a global reuse list for
* refill_inactive to pick up before reclaiming other pages.
* shrink_active_list to pick up before reclaiming other pages.
*
* NB: This interface discards data rather than pushes it out to swap,
* as some implementations do. This has performance implications for