From: Mel Gorman <mgorman@suse.de>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Andi Kleen <andi@firstfloor.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Bob Liu <bob.liu@oracle.com>,
Christoph Hellwig <hch@infradead.org>,
Dave Chinner <david@fromorbit.com>,
Greg Thelen <gthelen@google.com>, Hugh Dickins <hughd@google.com>,
Jan Kara <jack@suse.cz>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Luigi Semenzato <semenzato@google.com>,
Metin Doslu <metin@citusdata.com>,
Michel Lespinasse <walken@google.com>,
Minchan Kim <minchan.kim@gmail.com>,
Ozgun Erdogan <ozgun@citusdata.com>,
Peter Zijlstra <peterz@infradead.org>,
Rik van Riel <riel@redhat.com>,
Roman Gushchin <klamm@yandex-team.ru>,
Ryan Mallon <rmallon@gmail.com>, Tejun Heo <tj@kernel.org>,
Vlastimil Babka <vbabka@suse.cz>,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [patch 05/10] mm: filemap: move radix tree hole searching here
Date: Wed, 12 Feb 2014 11:16:31 +0000 [thread overview]
Message-ID: <20140212111631.GS6732@suse.de> (raw)
In-Reply-To: <1391475222-1169-6-git-send-email-hannes@cmpxchg.org>
On Mon, Feb 03, 2014 at 07:53:37PM -0500, Johannes Weiner wrote:
> The radix tree hole searching code is only used for page cache, for
> example the readahead code trying to get a a picture of the area
> surrounding a fault.
>
> It sufficed to rely on the radix tree definition of holes, which is
> "empty tree slot". But this is about to change, though, as shadow
> page descriptors will be stored in the page cache after the actual
> pages get evicted from memory.
>
> Move the functions over to mm/filemap.c and make them native page
> cache operations, where they can later be adapted to handle the new
> definition of "page cache hole".
>
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> Reviewed-by: Rik van Riel <riel@redhat.com>
> Reviewed-by: Minchan Kim <minchan@kernel.org>
Acked-by: Mel Gorman <mgorman@suse.de>
--
Mel Gorman
SUSE Labs
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2014-02-12 11:16 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-04 0:53 [patch 00/10] mm: thrash detection-based file cache sizing v9 Johannes Weiner
2014-02-04 0:53 ` [patch 01/10] mm: vmstat: fix UP zone state accounting Johannes Weiner
2014-02-05 22:17 ` Andrew Morton
2014-02-04 0:53 ` [patch 02/10] fs: cachefiles: use add_to_page_cache_lru() Johannes Weiner
2014-02-08 11:43 ` Rafael Aquini
2014-02-09 17:34 ` Johannes Weiner
2014-02-12 10:58 ` Mel Gorman
2014-02-04 0:53 ` [patch 03/10] lib: radix-tree: radix_tree_delete_item() Johannes Weiner
2014-02-12 11:00 ` Mel Gorman
2014-02-04 0:53 ` [patch 04/10] mm: shmem: save one radix tree lookup when truncating swapped pages Johannes Weiner
2014-02-12 11:11 ` Mel Gorman
2014-02-04 0:53 ` [patch 05/10] mm: filemap: move radix tree hole searching here Johannes Weiner
2014-02-12 11:16 ` Mel Gorman [this message]
2014-02-04 0:53 ` [patch 06/10] mm + fs: prepare for non-page entries in page cache radix trees Johannes Weiner
2014-02-04 0:53 ` [patch 07/10] mm + fs: store shadow entries in page cache Johannes Weiner
2014-02-04 0:53 ` [patch 08/10] mm: thrash detection-based file cache sizing Johannes Weiner
2014-02-04 0:53 ` [patch 09/10] lib: radix_tree: tree node interface Johannes Weiner
2014-02-04 0:53 ` [patch 10/10] mm: keep page cache radix tree nodes in check Johannes Weiner
2014-02-04 23:07 ` Andrew Morton
2014-02-05 1:53 ` Johannes Weiner
2014-02-04 23:14 ` [patch 00/10] mm: thrash detection-based file cache sizing v9 Andrew Morton
2014-02-05 2:02 ` Johannes Weiner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140212111631.GS6732@suse.de \
--to=mgorman@suse.de \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=andi@firstfloor.org \
--cc=bob.liu@oracle.com \
--cc=david@fromorbit.com \
--cc=gthelen@google.com \
--cc=hannes@cmpxchg.org \
--cc=hch@infradead.org \
--cc=hughd@google.com \
--cc=jack@suse.cz \
--cc=klamm@yandex-team.ru \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=metin@citusdata.com \
--cc=minchan.kim@gmail.com \
--cc=ozgun@citusdata.com \
--cc=peterz@infradead.org \
--cc=riel@redhat.com \
--cc=rmallon@gmail.com \
--cc=semenzato@google.com \
--cc=tj@kernel.org \
--cc=vbabka@suse.cz \
--cc=walken@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).