From: David Miller <davem@davemloft.net>
To: mgorman@suse.de
Cc: akpm@linux-foundation.org, linux-mm@kvack.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
neilb@suse.de, a.p.zijlstra@chello.nl, michaelc@cs.wisc.edu,
emunson@mgebm.net
Subject: Re: [PATCH 11/17] netvm: Propagate page->pfmemalloc to skb
Date: Thu, 17 May 2012 16:12:52 -0400 (EDT) [thread overview]
Message-ID: <20120517.161252.896110368946490093.davem@davemloft.net> (raw)
In-Reply-To: <1337266231-8031-12-git-send-email-mgorman@suse.de>
From: Mel Gorman <mgorman@suse.de>
Date: Thu, 17 May 2012 15:50:25 +0100
> The skb->pfmemalloc flag gets set to true iff during the slab
> allocation of data in __alloc_skb that the the PFMEMALLOC reserves
> were used. If the packet is fragmented, it is possible that pages
> will be allocated from the PFMEMALLOC reserve without propagating
> this information to the skb. This patch propagates page->pfmemalloc
> from pages allocated for fragments to the skb.
>
> Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: David S. Miller <davem@davemloft.net>
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next prev parent reply other threads:[~2012-05-17 20:12 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-17 14:50 [PATCH 00/17] Swap-over-NBD without deadlocking V11 Mel Gorman
2012-05-17 14:50 ` [PATCH 01/17] mm: Serialize access to min_free_kbytes Mel Gorman
2012-05-17 14:50 ` [PATCH 02/17] mm: sl[au]b: Add knowledge of PFMEMALLOC reserve pages Mel Gorman
2012-06-15 15:54 ` [PATCH 02.5] mm: sl[au]b: first remove PFMEMALLOC flag then SLAB flag Sebastian Andrzej Siewior
2012-06-16 8:14 ` Cong Wang
2012-06-20 7:38 ` Mel Gorman
2012-05-17 14:50 ` [PATCH 03/17] mm: slub: Optimise the SLUB fast path to avoid pfmemalloc checks Mel Gorman
2012-05-17 14:50 ` [PATCH 04/17] mm: Introduce __GFP_MEMALLOC to allow access to emergency reserves Mel Gorman
2012-05-17 14:50 ` [PATCH 05/17] mm: allow PF_MEMALLOC from softirq context Mel Gorman
2012-05-17 14:50 ` [PATCH 06/17] mm: Only set page->pfmemalloc when ALLOC_NO_WATERMARKS was used Mel Gorman
2012-05-17 14:50 ` [PATCH 07/17] mm: Ignore mempolicies when using ALLOC_NO_WATERMARK Mel Gorman
2012-05-17 14:50 ` [PATCH 08/17] net: Introduce sk_gfp_atomic() to allow addition of GFP flags depending on the individual socket Mel Gorman
2012-05-17 20:10 ` David Miller
2012-05-17 14:50 ` [PATCH 09/17] netvm: Allow the use of __GFP_MEMALLOC by specific sockets Mel Gorman
2012-05-17 20:11 ` David Miller
2012-05-17 14:50 ` [PATCH 10/17] netvm: Allow skb allocation to use PFMEMALLOC reserves Mel Gorman
2012-05-17 20:12 ` David Miller
2012-05-17 14:50 ` [PATCH 11/17] netvm: Propagate page->pfmemalloc to skb Mel Gorman
2012-05-17 20:12 ` David Miller [this message]
2012-05-17 14:50 ` [PATCH 12/17] netvm: Propagate page->pfmemalloc from skb_alloc_page " Mel Gorman
2012-05-17 20:13 ` David Miller
2012-05-17 14:50 ` [PATCH 13/17] netvm: Set PF_MEMALLOC as appropriate during SKB processing Mel Gorman
2012-05-17 20:13 ` David Miller
2012-05-17 14:50 ` [PATCH 14/17] mm: Micro-optimise slab to avoid a function call Mel Gorman
2012-05-17 14:50 ` [PATCH 15/17] nbd: Set SOCK_MEMALLOC for access to PFMEMALLOC reserves Mel Gorman
2012-05-17 14:50 ` [PATCH 16/17] mm: Throttle direct reclaimers if PF_MEMALLOC reserves are low and swap is backed by network storage Mel Gorman
2012-05-17 14:50 ` [PATCH 17/17] mm: Account for the number of times direct reclaimers get throttled Mel Gorman
2012-05-18 1:11 ` [PATCH 00/17] Swap-over-NBD without deadlocking V11 Eric B Munson
2012-05-18 1:46 ` Eric B Munson
-- strict thread matches above, loose matches on Subject: below --
2012-06-20 11:43 [PATCH 00/17] Swap-over-NBD without deadlocking V12 (resend) Mel Gorman
2012-06-20 11:44 ` [PATCH 11/17] netvm: Propagate page->pfmemalloc to skb Mel Gorman
2012-05-10 13:44 [PATCH 00/17] Swap-over-NBD without deadlocking V10 Mel Gorman
2012-05-10 13:45 ` [PATCH 11/17] netvm: Propagate page->pfmemalloc to skb Mel Gorman
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