Linux-mm Archive on lore.kernel.org
 help / color / Atom feed
From: Jan Kara <jack@suse.cz>
To: linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Jan Kara <jack@suse.cz>, Theodore Ts'o <tytso@mit.edu>,
	linux-ext4@vger.kernel.org,
	Nadia Yvette Chambers <nyc@holomorphy.com>,
	linux-fsdevel@vger.kernel.org
Subject: [PATCH 0/10 v2] Ranged pagevec lookup
Date: Wed, 26 Jul 2017 13:46:54 +0200
Message-ID: <20170726114704.7626-1-jack@suse.cz> (raw)

Hello,

This patch series was split out of the larger series to clean up pagevec APIs
and provide ranged lookups. In this series I make pagevec_lookup() update the
index (to be consistent with pagevec_lookup_tag() and also as a preparation
for ranged lookups), provide ranged variant of pagevec_lookup() and use it
in places where it makes sense. This not only removes some common code but
is also a measurable performance win for some use cases (see patch 4/10) where
radix tree is sparse and searching & grabing of a page after the end of the
range has measurable overhead.

Andrew, can you please consider merging this series?

Full series including dependencies can be also obtained from my git tree:

git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git find_get_pages_range

Opinions and review welcome!

								Honza

--
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>

             reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-26 11:46 Jan Kara [this message]
2017-07-26 11:46 ` [PATCH 01/10] fscache: Remove unused ->now_uncached callback Jan Kara
2017-07-26 11:46 ` [PATCH 02/10] mm: Make pagevec_lookup() update index Jan Kara
2017-07-26 11:46 ` [PATCH 03/10] mm: Implement find_get_pages_range() Jan Kara
2017-07-26 11:46 ` [PATCH 04/10] fs: Fix performance regression in clean_bdev_aliases() Jan Kara
2017-07-26 11:46 ` [PATCH 05/10] ext4: Use pagevec_lookup_range() in ext4_find_unwritten_pgoff() Jan Kara
2017-07-26 11:47 ` [PATCH 06/10] ext4: Use pagevec_lookup_range() in writeback code Jan Kara
2017-07-26 11:47 ` [PATCH 07/10] hugetlbfs: Use pagevec_lookup_range() in remove_inode_hugepages() Jan Kara
2017-07-27 19:10   ` Mike Kravetz
2017-07-26 11:47 ` [PATCH 08/10] fs: Use pagevec_lookup_range() in page_cache_seek_hole_data() Jan Kara
2017-07-26 11:47 ` [PATCH 09/10] mm: Use find_get_pages_range() in filemap_range_has_page() Jan Kara
2017-07-26 11:47 ` [PATCH 10/10] mm: Remove nr_pages argument from pagevec_lookup{,_range}() Jan Kara

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=20170726114704.7626-1-jack@suse.cz \
    --to=jack@suse.cz \
    --cc=akpm@linux-foundation.org \
    --cc=linux-ext4@vger.kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=nyc@holomorphy.com \
    --cc=tytso@mit.edu \
    /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

Linux-mm Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-mm/0 linux-mm/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-mm linux-mm/ https://lore.kernel.org/linux-mm \
		linux-mm@kvack.org
	public-inbox-index linux-mm

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kvack.linux-mm


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git