From: Alan Cox <alan@redhat.com>
Date: Fri, 23 May 2008 20:04:31 +0000 (-0700)
Subject: mm: fix atomic_t overflow in vm
X-Git-Tag: v2.6.26-rc4~44
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=80119ef5c8153e0a6cc5edf00c083dc98a9bd348;p=pandora-kernel.git

mm: fix atomic_t overflow in vm

The atomic_t type is 32bit but a 64bit system can have more than 2^32
pages of virtual address space available.  Without this we overflow on
ludicrously large mappings

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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