linux-kernel - Re: [PATCH 0/3] Couple of fixes for deferred_split_huge

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Message-ID: <20160121225237.GH7119@redhat.com>
Date:	Thu, 21 Jan 2016 23:52:37 +0100
From:	Andrea Arcangeli <aarcange@...hat.com>
To:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hughd@...gle.com>,
	Dave Hansen <dave.hansen@...el.com>,
	Mel Gorman <mgorman@...e.de>, Rik van Riel <riel@...hat.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Christoph Lameter <cl@...two.org>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Steve Capper <steve.capper@...aro.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...e.cz>,
	Jerome Marchand <jmarchan@...hat.com>,
	Sasha Levin <sasha.levin@...cle.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 0/3] Couple of fixes for deferred_split_huge_page()

On Thu, Jan 21, 2016 at 03:09:20PM +0300, Kirill A. Shutemov wrote:
> Hi Andrea,
> 
> Sorry, I should be noticed and address the issue with scan before...
> 
> Patchset below should address your concern.
> 
> I've tested it in qemu with fake numa.

That was fast and already in -mm!

Reviewed-by: Andrea Arcangeli <aarcange@...hat.com>

Great thanks,
Andrea

> 
> Kirill A. Shutemov (3):
>   thp: make split_queue per-node
>   thp: change deferred_split_count() to return number of THP in queue
>   thp: limit number of object to scan on deferred_split_scan()
> 
>  include/linux/mmzone.h |  6 +++++
>  mm/huge_memory.c       | 64 +++++++++++++++++++++++++-------------------------
>  mm/page_alloc.c        |  5 ++++
>  3 files changed, 43 insertions(+), 32 deletions(-)
> 
> -- 
> 2.7.0.rc3
>