From: "Tim Pepper" <lnxninja@linux.vnet.ibm.com>
To: npiggin@suse.de
Cc: akpm@linux-foundation.org, torvalds@linux-foundation.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
benh@kernel.crashing.org, paulus@samba.org
Subject: Re: [patch 3/7] mm: speculative page references
Date: Sun, 8 Jun 2008 21:48:31 -0700 [thread overview]
Message-ID: <eada2a070806082148r51cc4417u97062017b522825e@mail.gmail.com> (raw)
In-Reply-To: <20080605094825.699347000@nick.local0.net>
On Thu, Jun 5, 2008 at 2:43 AM, <npiggin@suse.de> wrote:
> --- linux-2.6.orig/mm/vmscan.c
> +++ linux-2.6/mm/vmscan.c
> @@ -390,12 +390,10 @@ static pageout_t pageout(struct page *pa
> }
>
> /*
> - * Attempt to detach a locked page from its ->mapping. If it is dirty or if
> - * someone else has a ref on the page, abort and return 0. If it was
> - * successfully detached, return 1. Assumes the caller has a single ref on
> - * this page.
> + * Save as remove_mapping, but if the page is removed from the mapping, it
> + * gets returned with a refcount of 0.
^^^^^^
Same as?
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next prev parent reply other threads:[~2008-06-09 4:48 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-05 9:43 [patch 0/7] speculative page references, lockless pagecache, lockless gup npiggin
2008-06-05 9:43 ` [patch 1/7] mm: readahead scan lockless npiggin
2008-06-05 9:43 ` [patch 2/7] radix-tree: add gang_lookup_slot, gang_lookup_slot_tag npiggin
2008-06-05 9:43 ` [patch 3/7] mm: speculative page references npiggin
2008-06-06 14:20 ` Peter Zijlstra
2008-06-06 16:26 ` Nick Piggin
2008-06-06 16:27 ` Nick Piggin
2008-06-09 4:48 ` Tim Pepper [this message]
2008-06-10 19:08 ` Christoph Lameter
2008-06-11 3:19 ` Nick Piggin
2008-06-05 9:43 ` [patch 4/7] mm: lockless pagecache npiggin
2008-06-05 9:43 ` [patch 5/7] mm: spinlock tree_lock npiggin
2008-06-05 9:43 ` [patch 6/7] powerpc: implement pte_special npiggin
2008-06-06 4:04 ` Benjamin Herrenschmidt
2008-06-05 9:43 ` [patch 7/7] powerpc: lockless get_user_pages_fast npiggin
2008-06-09 8:32 ` Andrew Morton
2008-06-10 3:15 ` Nick Piggin
2008-06-10 19:00 ` Christoph Lameter
2008-06-11 3:18 ` Nick Piggin
2008-06-11 4:40 ` Christoph Lameter
2008-06-11 4:41 ` Christoph Lameter
2008-06-11 4:49 ` Nick Piggin
2008-06-11 6:06 ` Andrew Morton
2008-06-11 6:24 ` Nick Piggin
2008-06-11 6:50 ` Andrew Morton
2008-06-11 23:20 ` Christoph Lameter
2008-06-11 4:47 ` Nick Piggin
2008-06-05 11:53 ` [patch 0/7] speculative page references, lockless pagecache, lockless gup Nick Piggin
2008-06-05 17:33 ` Linus Torvalds
2008-06-06 0:08 ` Nick Piggin
2008-06-06 21:32 ` Peter Zijlstra
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