mm: document is_page_cache_freeable()

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Enlighten the reader of this code about what reference count makes a page
cache page freeable.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Johannes Weiner 2009-09-21 17:03:00 -07:00 • committed by Linus Torvalds

parent edcf4748cd

commit ceddc3a52d

1 changed files with 5 additions and 0 deletions

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mm/vmscan.c

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