powerpc/mm: Add better comment on careful_allocation()
commitc555e520ef794a94dc36a8ded93ece6369ff7ca0
authorDave Hansen <dave@linux.vnet.ibm.com>
Tue, 9 Dec 2008 08:21:32 +0000 (9 08:21 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 8 Jan 2009 05:25:08 +0000 (8 16:25 +1100)
treeb1be29d74a73ff31af677b8cd68019edd57ae24e
parentafcb065450913745027169d906b9afc8294f7007
powerpc/mm: Add better comment on careful_allocation()

The behavior in careful_allocation() really confused me
at first.  Add a comment to hopefully make it easier
on the next doofus that looks at it.

Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/mm/numa.c