From: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
To: Mel Gorman <mgorman@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linux-MM <linux-mm@kvack.org>,
Linux-Netdev <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
David Miller <davem@davemloft.net>, Neil Brown <neilb@suse.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Mike Christie <michaelc@cs.wisc.edu>,
Eric B Munson <emunson@mgebm.net>
Subject: Re: [PATCH 01/17] mm: sl[au]b: Add knowledge of PFMEMALLOC reserve pages
Date: Wed, 20 Jun 2012 13:05:13 +0200 [thread overview]
Message-ID: <20120620110512.GA4208@breakpoint.cc> (raw)
In-Reply-To: <1340184920-22288-2-git-send-email-mgorman@suse.de>
On Wed, Jun 20, 2012 at 10:35:04AM +0100, Mel Gorman wrote:
> [a.p.zijlstra@chello.nl: Original implementation]
> Signed-off-by: Mel Gorman <mgorman@suse.de>
> ---
> diff --git a/mm/slab.c b/mm/slab.c
> index e901a36..b190cac 100644
> --- a/mm/slab.c
> +++ b/mm/slab.c
> @@ -1851,6 +1984,7 @@ static void kmem_freepages(struct kmem_cache *cachep, void *addr)
> while (i--) {
> BUG_ON(!PageSlab(page));
> __ClearPageSlab(page);
> + __ClearPageSlabPfmemalloc(page);
> page++;
> }
> if (current->reclaim_state)
> @@ -3120,16 +3254,19 @@ bad:
> diff --git a/mm/slub.c b/mm/slub.c
> index 8c691fa..43738c9 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -1414,6 +1418,7 @@ static void __free_slab(struct kmem_cache *s, struct page *page)
> -pages);
>
> __ClearPageSlab(page);
> + __ClearPageSlabPfmemalloc(page);
> reset_page_mapcount(page);
> if (current->reclaim_state)
> current->reclaim_state->reclaimed_slab += pages;
So you mention a change here in v11's changelog but I don't see it.
Sebastian
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next prev parent reply other threads:[~2012-06-20 11:05 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-20 9:35 [PATCH 00/17] Swap-over-NBD without deadlocking V12 Mel Gorman
2012-06-20 9:35 ` [PATCH 01/17] mm: sl[au]b: Add knowledge of PFMEMALLOC reserve pages Mel Gorman
2012-06-20 11:05 ` Sebastian Andrzej Siewior [this message]
2012-06-20 11:44 ` Mel Gorman
2012-06-20 9:35 ` [PATCH 02/17] mm: slub: Optimise the SLUB fast path to avoid pfmemalloc checks Mel Gorman
2012-06-20 9:35 ` [PATCH 03/17] mm: Introduce __GFP_MEMALLOC to allow access to emergency reserves Mel Gorman
2012-06-20 9:35 ` [PATCH 04/17] mm: allow PF_MEMALLOC from softirq context Mel Gorman
2012-06-20 9:35 ` [PATCH 05/17] mm: Only set page->pfmemalloc when ALLOC_NO_WATERMARKS was used Mel Gorman
2012-06-20 9:35 ` [PATCH 06/17] mm: Ignore mempolicies when using ALLOC_NO_WATERMARK Mel Gorman
2012-06-20 9:35 ` [PATCH 07/17] net: Introduce sk_gfp_atomic() to allow addition of GFP flags depending on the individual socket Mel Gorman
2012-06-20 9:35 ` [PATCH 08/17] netvm: Allow the use of __GFP_MEMALLOC by specific sockets Mel Gorman
2012-06-20 9:35 ` [PATCH 09/17] netvm: Allow skb allocation to use PFMEMALLOC reserves Mel Gorman
2012-06-20 9:35 ` [PATCH 10/17] netvm: Propagate page->pfmemalloc to skb Mel Gorman
2012-06-20 9:35 ` [PATCH 11/17] netvm: Propagate page->pfmemalloc from skb_alloc_page " Mel Gorman
2012-06-20 9:35 ` [PATCH 12/17] netvm: Set PF_MEMALLOC as appropriate during SKB processing Mel Gorman
2012-06-20 9:35 ` [PATCH 13/17] mm: Micro-optimise slab to avoid a function call Mel Gorman
2012-06-20 9:35 ` [PATCH 14/17] nbd: Set SOCK_MEMALLOC for access to PFMEMALLOC reserves Mel Gorman
2012-06-20 9:35 ` [PATCH 15/17] mm: Throttle direct reclaimers if PF_MEMALLOC reserves are low and swap is backed by network storage Mel Gorman
2012-06-20 9:35 ` [PATCH 16/17] mm: Account for the number of times direct reclaimers get throttled Mel Gorman
2012-06-20 9:35 ` [PATCH 17/17] netvm: Prevent a stream-specific deadlock Mel Gorman
-- 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 11:43 ` [PATCH 01/17] mm: sl[au]b: Add knowledge of PFMEMALLOC reserve pages Mel Gorman
2012-06-21 21:30 ` Rik van Riel
2012-06-22 9:34 ` Mel Gorman
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