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authorJohannes Weiner <hannes@cmpxchg.org>2009-09-21 17:03:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-22 07:17:38 -0700
commitceddc3a52d783fabbf1ba623601419b9d6337194 (patch)
tree651d0fd4d5bf2455468f90364b88f01f982d79af /mm/page_alloc.c
parentmm: return boolean from page_has_private() (diff)
downloadlinux-dev-ceddc3a52d783fabbf1ba623601419b9d6337194.tar.xz
linux-dev-ceddc3a52d783fabbf1ba623601419b9d6337194.zip
mm: document is_page_cache_freeable()
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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