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From: Andrew Morton <akpm@linux-foundation.org>
To: Davidlohr Bueso <davidlohr@hp.com>
Cc: David Rientjes <rientjes@google.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Mel Gorman <mgorman@suse.de>, Rik van Riel <riel@redhat.com>,
	Michal Hocko <mhocko@suse.cz>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Hugh Dickins <hughd@google.com>,
	Davidlohr Bueso <davidlohr.bueso@hp.com>,
	David Gibson <david@gibson.dropbear.id.au>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Wanpeng Li <liwanp@linux.vnet.ibm.com>,
	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
	Hillf Danton <dhillf@gmail.com>,
	aswin@hp.com
Subject: Re: [PATCH v3 13/14] mm, hugetlb: retry if failed to allocate and there is concurrent user
Date: Tue, 14 Jan 2014 20:56:03 -0800	[thread overview]
Message-ID: <20140114205603.f4fd2678.akpm@linux-foundation.org> (raw)
In-Reply-To: <1389760669.4971.31.camel@buesod1.americas.hpqcorp.net>

On Tue, 14 Jan 2014 20:37:49 -0800 Davidlohr Bueso <davidlohr@hp.com> wrote:

> On Tue, 2014-01-14 at 19:08 -0800, David Rientjes wrote:
> > On Mon, 6 Jan 2014, Davidlohr Bueso wrote:
> > 
> > > > If Andrew agree, It would be great to merge 1-7 patches into mainline
> > > > before your mutex approach. There are some of clean-up patches and, IMO,
> > > > it makes the code more readable and maintainable, so it is worth to merge
> > > > separately.
> > > 
> > > Fine by me.
> > > 
> > 
> > It appears like patches 1-7 are still missing from linux-next, would you 
> > mind posting them in a series with your approach?
> 
> I haven't looked much into patches 4-7, but at least the first three are
> ok. I was waiting for Andrew to take all seven for linux-next and then
> I'd rebase my approach on top. Anyway, unless Andrew has any
> preferences, if by later this week they're not picked up, I'll resend
> everything.

Well, we're mainly looking for bugfixes this last in the cycle. 
"[PATCH v3 03/14] mm, hugetlb: protect region tracking via newly
introduced resv_map lock" fixes a bug, but I'd assumed that it depended
on earlier patches.  If we think that one is serious then it would be
better to cook up a minimal fix which is backportable into 3.12 and
eariler?

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  reply	other threads:[~2014-01-15  4:54 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-18  6:53 [PATCH v3 00/14] mm, hugetlb: remove a hugetlb_instantiation_mutex Joonsoo Kim
2013-12-18  6:53 ` [PATCH v3 01/14] mm, hugetlb: unify region structure handling Joonsoo Kim
2013-12-21  9:04   ` David Gibson
2014-01-07  2:37   ` Davidlohr Bueso
2013-12-18  6:53 ` [PATCH v3 02/14] mm, hugetlb: region manipulation functions take resv_map rather list_head Joonsoo Kim
2013-12-21 13:43   ` David Gibson
2014-01-07  2:39   ` Davidlohr Bueso
2013-12-18  6:53 ` [PATCH v3 03/14] mm, hugetlb: protect region tracking via newly introduced resv_map lock Joonsoo Kim
2013-12-21 13:58   ` David Gibson
2013-12-23  1:05     ` Joonsoo Kim
2013-12-24 12:00       ` David Gibson
2014-01-06  0:12         ` Joonsoo Kim
2014-01-07  2:39   ` Davidlohr Bueso
2013-12-18  6:53 ` [PATCH v3 04/14] mm, hugetlb: remove resv_map_put() Joonsoo Kim
2013-12-18  6:53 ` [PATCH v3 05/14] mm, hugetlb: make vma_resv_map() works for all mapping type Joonsoo Kim
2013-12-18  6:53 ` [PATCH v3 06/14] mm, hugetlb: remove vma_has_reserves() Joonsoo Kim
2013-12-18  6:53 ` [PATCH v3 07/14] mm, hugetlb: mm, hugetlb: unify chg and avoid_reserve to use_reserve Joonsoo Kim
2013-12-18  6:53 ` [PATCH v3 08/14] mm, hugetlb: call vma_needs_reservation before entering alloc_huge_page() Joonsoo Kim
2013-12-18  6:53 ` [PATCH v3 09/14] mm, hugetlb: remove a check for return value of alloc_huge_page() Joonsoo Kim
2013-12-18  6:53 ` [PATCH v3 10/14] mm, hugetlb: move down outside_reserve check Joonsoo Kim
2013-12-18  6:53 ` [PATCH v3 11/14] mm, hugetlb: move up anon_vma_prepare() Joonsoo Kim
2013-12-18  6:53 ` [PATCH v3 12/14] mm, hugetlb: clean-up error handling in hugetlb_cow() Joonsoo Kim
2013-12-18  6:53 ` [PATCH v3 13/14] mm, hugetlb: retry if failed to allocate and there is concurrent user Joonsoo Kim
2013-12-20  1:02   ` Andrew Morton
2013-12-20  1:58     ` Joonsoo Kim
2013-12-20  2:15       ` Andrew Morton
2013-12-20  5:00         ` Joonsoo Kim
2013-12-20  2:31     ` Davidlohr Bueso
2013-12-20  4:47       ` Joonsoo Kim
2013-12-20 14:01     ` Mel Gorman
2013-12-21  6:48       ` Davidlohr Bueso
2013-12-23  0:44         ` Joonsoo Kim
2013-12-23  2:11           ` Joonsoo Kim
2014-01-03 19:55             ` Davidlohr Bueso
2014-01-06  0:19               ` Joonsoo Kim
2014-01-06 12:19                 ` Davidlohr Bueso
2014-01-07  1:57                   ` Joonsoo Kim
2014-01-07  2:36                     ` Davidlohr Bueso
2014-01-15  3:08                       ` David Rientjes
2014-01-15  4:37                         ` Davidlohr Bueso
2014-01-15  4:56                           ` Andrew Morton [this message]
2014-01-15 20:47                             ` Davidlohr Bueso
2014-01-15 20:50                               ` Andrew Morton
2013-12-18  6:54 ` [PATCH v3 14/14] mm, hugetlb: remove a hugetlb_instantiation_mutex Joonsoo Kim
2014-03-31 16:27 ` [PATCH v3 00/14] " Dave Hansen
2014-03-31 17:26   ` Davidlohr Bueso
2014-03-31 18:41     ` Dave Hansen

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