commit ceddc3a52d783fabbf1ba623601419b9d6337194
author Johannes Weiner <hannes@cmpxchg.org> Mon Sep 21 17:03:00 2009 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Tue Sep 22 07:17:38 2009 -0700
tree 651d0fd4d5bf2455468f90364b88f01f982d79af
parent edcf4748cd56adcdf0856cc99ef108a4ea3ac7fe

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>