From: Nick Piggin <npiggin@suse.de>
Date: Tue, 26 Sep 2006 06:31:23 +0000 (-0700)
Subject: [PATCH] mm: remove_mapping() safeness
X-Git-Tag: v2.6.19-rc1~1194
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=28e4d965e6131ace1e813e93aebca89ac6b82dc1;p=pandora-kernel.git

[PATCH] mm: remove_mapping() safeness

Some users of remove_mapping had been unsafe.

Modify the remove_mapping precondition to ensure the caller has locked the
page and obtained the correct mapping.  Modify callers to ensure the
mapping is the correct one.

[hugh@veritas.com: swapper_space fix]
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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