linux-kernel - Re: [PATCH v2 4/5] mm, kswapd: replace kswapd compaction with waking up kcompactd

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Date:	Wed, 9 Mar 2016 14:47:13 +0100
From:	Vlastimil Babka <vbabka@...e.cz>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Joonsoo Kim <js1304@...il.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Linux Memory Management List <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Rik van Riel <riel@...hat.com>,
	Mel Gorman <mgorman@...hsingularity.net>,
	David Rientjes <rientjes@...gle.com>,
	Michal Hocko <mhocko@...e.com>,
	Johannes Weiner <hannes@...xchg.org>
Subject: Re: [PATCH v2 4/5] mm, kswapd: replace kswapd compaction with waking
 up kcompactd

On 03/05/2016 12:25 AM, Andrew Morton wrote:
>> Thanks. Andrew, should I send now patch folding patch 4/5 and 5/5 with 
>> all the accumulated fixlets (including those I sent earlier today) and 
>> combined changelog, or do you want to apply the new fixlets separately 
>> first and let them sit for a week or so? In any case, sorry for the churn.
> 
> Did I get everything?
> 
> http://ozlabs.org/~akpm/mmots/broken-out/mm-kswapd-remove-bogus-check-of-balance_classzone_idx.patch
> http://ozlabs.org/~akpm/mmots/broken-out/mm-compaction-introduce-kcompactd.patch
> http://ozlabs.org/~akpm/mmots/broken-out/mm-compaction-introduce-kcompactd-fix.patch
> http://ozlabs.org/~akpm/mmots/broken-out/mm-compaction-introduce-kcompactd-fix-2.patch
> http://ozlabs.org/~akpm/mmots/broken-out/mm-compaction-introduce-kcompactd-fix-3.patch

Please add the one below here.

> http://ozlabs.org/~akpm/mmots/broken-out/mm-memory-hotplug-small-cleanup-in-online_pages.patch
> http://ozlabs.org/~akpm/mmots/broken-out/mm-kswapd-replace-kswapd-compaction-with-waking-up-kcompactd.patch
> http://ozlabs.org/~akpm/mmots/broken-out/mm-kswapd-replace-kswapd-compaction-with-waking-up-kcompactd-fix.patch
> http://ozlabs.org/~akpm/mmots/broken-out/mm-compaction-adapt-isolation_suitable-flushing-to-kcompactd.patch
 
----8<----
>From 0977a031f891ef6f675a64c53b797d92d839f11c Mon Sep 17 00:00:00 2001
From: Vlastimil Babka <vbabka@...e.cz>
Date: Thu, 3 Mar 2016 11:35:23 +0100
Subject: [PATCH 1/3] mm-compaction-introduce-kcompactd-fix-4

Fix typo in /proc/vmstat for kcompactd wakeups. Per Hugh's suggestion,
rename the item to compact_daemon_wake.

Reported-by: Hugh Dickins <hughd@...gle.com>
Signed-off-by: Vlastimil Babka <vbabka@...e.cz>
---
 mm/vmstat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/vmstat.c b/mm/vmstat.c
index c9571294f61c..f80066248c94 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -826,7 +826,7 @@ const char * const vmstat_text[] = {
 	"compact_stall",
 	"compact_fail",
 	"compact_success",
-	"compact_kcompatd_wake",
+	"compact_daemon_wake",
 #endif
 
 #ifdef CONFIG_HUGETLB_PAGE
-- 
2.7.2