From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: David Gibson <david@gibson.dropbear.id.au>
Cc: Davidlohr Bueso <davidlohr@hp.com>,
Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
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>,
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>
Subject: Re: [PATCH 17/18] mm, hugetlb: retry if we fail to allocate a hugepage with use_reserve
Date: Fri, 9 Aug 2013 18:37:24 +0900 [thread overview]
Message-ID: <20130809093724.GA11091@lge.com> (raw)
In-Reply-To: <20130809000231.GB2904@voom.fritz.box>
> I once attempted an approach involving an atomic counter of the number
> of "in flight" hugepages, only retrying when it's non zero. Working
> out a safe ordering for all the updates to get all the cases right
> made my brain melt though, and I never got it working.
I sent v2 few seconds before. My new approach is similar as yours.
Could you review my patches to save my brain to be melted? :)
Thanks.
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next prev parent reply other threads:[~2013-08-09 9:37 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-29 5:31 [PATCH 00/18] mm, hugetlb: remove a hugetlb_instantiation_mutex Joonsoo Kim
2013-07-29 5:31 ` [PATCH 01/18] mm, hugetlb: protect reserved pages when softofflining requests the pages Joonsoo Kim
2013-07-29 7:24 ` Hillf Danton
2013-07-31 2:27 ` Joonsoo Kim
2013-07-31 2:49 ` Hillf Danton
2013-07-31 4:41 ` Joonsoo Kim
2013-07-31 6:21 ` Hillf Danton
2013-07-31 6:37 ` Joonsoo Kim
2013-07-31 15:25 ` Hillf Danton
2013-08-01 6:07 ` Joonsoo Kim
2013-08-01 16:17 ` Aneesh Kumar K.V
2013-08-04 5:10 ` Hillf Danton
2013-08-05 5:17 ` Aneesh Kumar K.V
2013-07-30 16:49 ` Aneesh Kumar K.V
2013-07-29 5:31 ` [PATCH 02/18] mm, hugetlb: change variable name reservations to resv Joonsoo Kim
2013-07-30 16:50 ` Aneesh Kumar K.V
2013-07-29 5:31 ` [PATCH 03/18] mm, hugetlb: unify region structure handling Joonsoo Kim
2013-07-30 17:27 ` Aneesh Kumar K.V
2013-07-31 2:36 ` Joonsoo Kim
2013-07-29 5:31 ` [PATCH 04/18] mm, hugetlb: region manipulation functions take resv_map rather list_head Joonsoo Kim
2013-07-29 5:31 ` [PATCH 05/18] mm, hugetlb: protect region tracking via newly introduced resv_map lock Joonsoo Kim
2013-07-29 8:58 ` Hillf Danton
2013-07-31 2:41 ` Joonsoo Kim
2013-07-29 18:53 ` Davidlohr Bueso
2013-07-31 2:43 ` Joonsoo Kim
2013-07-29 5:31 ` [PATCH 06/18] mm, hugetlb: remove vma_need_reservation() Joonsoo Kim
2013-07-29 17:52 ` Naoya Horiguchi
2013-07-31 4:53 ` Joonsoo Kim
2013-07-30 17:49 ` Aneesh Kumar K.V
2013-07-31 4:56 ` Joonsoo Kim
2013-07-29 5:31 ` [PATCH 07/18] mm, hugetlb: pass has_reserve to dequeue_huge_page_vma() Joonsoo Kim
2013-07-29 5:31 ` [PATCH 08/18] mm, hugetlb: do hugepage_subpool_get_pages() when avoid_reserve Joonsoo Kim
2013-07-29 18:05 ` Naoya Horiguchi
2013-07-31 5:02 ` Joonsoo Kim
2013-07-31 20:55 ` Naoya Horiguchi
2013-07-29 5:32 ` [PATCH 09/18] mm, hugetlb: unify has_reserve and avoid_reserve to use_reserve Joonsoo Kim
2013-07-29 5:32 ` [PATCH 10/18] mm, hugetlb: call vma_has_reserve() before entering alloc_huge_page() Joonsoo Kim
2013-07-29 18:27 ` Naoya Horiguchi
2013-07-31 5:06 ` Joonsoo Kim
2013-07-29 5:32 ` [PATCH 11/18] mm, hugetlb: move down outside_reserve check Joonsoo Kim
2013-07-29 18:39 ` Naoya Horiguchi
2013-07-31 5:08 ` Joonsoo Kim
2013-07-31 20:46 ` Naoya Horiguchi
2013-07-29 5:32 ` [PATCH 12/18] mm, hugetlb: remove a check for return value of alloc_huge_page() Joonsoo Kim
2013-07-29 5:32 ` [PATCH 13/18] mm, hugetlb: grab a page_table_lock after page_cache_release Joonsoo Kim
2013-07-29 18:50 ` Naoya Horiguchi
2013-07-29 5:32 ` [PATCH 14/18] mm, hugetlb: clean-up error handling in hugetlb_cow() Joonsoo Kim
2013-07-29 5:32 ` [PATCH 15/18] mm, hugetlb: move up anon_vma_prepare() Joonsoo Kim
2013-07-29 19:05 ` Naoya Horiguchi
2013-07-29 19:19 ` Naoya Horiguchi
2013-07-31 5:12 ` Joonsoo Kim
2013-07-31 16:43 ` Naoya Horiguchi
2013-07-29 5:32 ` [PATCH 16/18] mm, hugetlb: return a reserved page to a reserved pool if failed Joonsoo Kim
2013-07-29 20:19 ` Naoya Horiguchi
2013-07-31 5:21 ` Joonsoo Kim
2013-07-29 5:32 ` [PATCH 17/18] mm, hugetlb: retry if we fail to allocate a hugepage with use_reserve Joonsoo Kim
2013-07-29 7:28 ` David Gibson
2013-07-31 5:37 ` Joonsoo Kim
2013-08-03 10:43 ` David Gibson
2013-08-05 7:36 ` Joonsoo Kim
2013-08-07 0:18 ` Davidlohr Bueso
2013-08-07 1:03 ` David Gibson
2013-08-07 1:38 ` Davidlohr Bueso
2013-08-07 9:18 ` Joonsoo Kim
2013-08-09 0:02 ` David Gibson
2013-08-09 9:37 ` Joonsoo Kim [this message]
2013-07-29 5:32 ` [PATCH 18/18] mm, hugetlb: remove a hugetlb_instantiation_mutex Joonsoo Kim
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