linux-kernel - linux-next: manual merge of the hwpoison tree with Linus' tree

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Date:	Wed, 16 Dec 2009 16:21:03 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Wu Fengguang <fengguang.wu@...el.com>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: linux-next: manual merge of the hwpoison tree with Linus' tree

Hi Andi,

Today's linux-next merge of the hwpoison tree got a conflict in
mm/memcontrol.c between commit 407f9c8b0889ced1dbe2f9157e4e60c61329d5c9
("ksm: mem cgroup charge swapin copy") from Linus' tree and commit
eacbcea706766709f5c3bbbca208c04558a8d72f ("memcg: rename and export
try_get_mem_cgroup_from_page()") from the hwpoison tree.

Just context changes.  I fixed it up (see below) and can carry the fix
for a while.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

diff --cc mm/memcontrol.c
index e0c2066,4e51af7..0000000
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@@ -1737,13 -1739,12 +1739,13 @@@ int mem_cgroup_try_charge_swapin(struc
  		goto charge_cur_mm;
  	/*
  	 * A racing thread's fault, or swapoff, may have already updated
 -	 * the pte, and even removed page from swap cache: return success
 -	 * to go on to do_swap_page()'s pte_same() test, which should fail.
 +	 * the pte, and even removed page from swap cache: in those cases
 +	 * do_swap_page()'s pte_same() test will fail; but there's also a
 +	 * KSM case which does need to charge the page.
  	 */
  	if (!PageSwapCache(page))
 -		return 0;
 +		goto charge_cur_mm;
- 	mem = try_get_mem_cgroup_from_swapcache(page);
+ 	mem = try_get_mem_cgroup_from_page(page);
  	if (!mem)
  		goto charge_cur_mm;
  	*ptr = mem;
--
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