[PATCH 0/1] mm, shmem: map few pages around fault address if they are in page cache

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From: Ning Qu <quning@google.com>
To: Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mel Gorman <mgorman@suse.de>, Rik van Riel <riel@redhat.com>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>,
	Matthew Wilcox <matthew.r.wilcox@intel.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Dave Chinner <david@fromorbit.com>, Ning Qu <quning@gmail.com>,
	linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, Ning Qu <quning@google.com>
Subject: [PATCH 0/1] mm, shmem: map few pages around fault address if they are in page cache
Date: Fri, 28 Feb 2014 14:18:50 -0800	[thread overview]
Message-ID: <1393625931-2858-1-git-send-email-quning@google.com> (raw)

This is a follow-up patch for "mm: map few pages around fault address if they are in page cache"

We use the generic filemap_map_pages as ->map_pages in shmem/tmpfs.

Please consider applying.

=========================================================================
Below is just some simple experiment numbers from this patch, let me know if
you would like more:

Tested on Xeon machine with 64GiB of RAM, using the current default fault
order 4.

Sequential access 8GiB file
			Baseline 	with-patch
1 thread
    minor fault		205		101	
    time, seconds	7.94		7.82

Random access 8GiB file
			Baseline 	with-patch
1 thread
    minor fault		724		623
    time, seconds	9.75		9.84


Ning Qu (1):
  mm: implement ->map_pages for shmem/tmpfs

 mm/shmem.c | 1 +
 1 file changed, 1 insertion(+)

-- 
1.9.0.279.gdc9e3eb

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WARNING: multiple messages have this Message-ID (diff)

From: Ning Qu <quning@google.com>
To: Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mel Gorman <mgorman@suse.de>, Rik van Riel <riel@redhat.com>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>,
	Matthew Wilcox <matthew.r.wilcox@intel.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Dave Chinner <david@fromorbit.com>, Ning Qu <quning@gmail.com>,
	linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, Ning Qu <quning@google.com>
Subject: [PATCH 0/1] mm, shmem: map few pages around fault address if they are in page cache
Date: Fri, 28 Feb 2014 14:18:50 -0800	[thread overview]
Message-ID: <1393625931-2858-1-git-send-email-quning@google.com> (raw)

This is a follow-up patch for "mm: map few pages around fault address if they are in page cache"

We use the generic filemap_map_pages as ->map_pages in shmem/tmpfs.

Please consider applying.

=========================================================================
Below is just some simple experiment numbers from this patch, let me know if
you would like more:

Tested on Xeon machine with 64GiB of RAM, using the current default fault
order 4.

Sequential access 8GiB file
			Baseline 	with-patch
1 thread
    minor fault		205		101	
    time, seconds	7.94		7.82

Random access 8GiB file
			Baseline 	with-patch
1 thread
    minor fault		724		623
    time, seconds	9.75		9.84


Ning Qu (1):
  mm: implement ->map_pages for shmem/tmpfs

 mm/shmem.c | 1 +
 1 file changed, 1 insertion(+)

-- 
1.9.0.279.gdc9e3eb

next             reply	other threads:[~2014-02-28 22:18 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-28 22:18 Ning Qu [this message]
2014-02-28 22:18 ` [PATCH 0/1] mm, shmem: map few pages around fault address if they are in page cache Ning Qu
2014-02-28 22:18 ` [PATCH 1/1] mm: implement ->map_pages for shmem/tmpfs Ning Qu
2014-02-28 22:18   ` Ning Qu
2014-03-01  1:20   ` Hugh Dickins
2014-03-01  1:20     ` Hugh Dickins
2014-03-01  6:36     ` Ning Qu
2014-03-01  6:36       ` Ning Qu
2014-03-03 11:07       ` Kirill A. Shutemov
2014-03-03 11:07         ` Kirill A. Shutemov
2014-03-03 11:07         ` Kirill A. Shutemov
2014-03-03 18:49         ` Ning Qu
2014-03-03 18:49           ` Ning Qu
2014-03-04 20:02     ` Hugh Dickins
2014-03-04 20:02       ` Hugh Dickins
2014-02-28 22:34 ` [PATCH 0/1] mm, shmem: map few pages around fault address if they are in page cache Andrew Morton
2014-02-28 22:34   ` Andrew Morton
2014-02-28 22:35   ` Ning Qu
2014-03-01  0:35 ` Ning Qu
2014-03-01  0:35   ` Ning Qu
2014-03-01  1:41   ` Andrew Morton
2014-03-01  1:41     ` Andrew Morton
2014-03-01  6:10     ` Ning Qu
2014-03-01  6:10       ` Ning Qu
2014-03-01  6:27       ` Ning Qu
2014-03-01  6:27         ` Ning Qu
2014-03-03 22:38         ` Andrew Morton
2014-03-03 23:07           ` Ning Qu
2014-03-03 23:07             ` Ning Qu
2014-03-03 23:29           ` Linus Torvalds
2014-03-03 23:29             ` Linus Torvalds
2014-03-03 23:37             ` Andrew Morton
2014-03-04  0:50               ` Kirill A. Shutemov
2014-03-04  0:50                 ` Kirill A. Shutemov
2014-03-05 22:20 ` Ning Qu
2014-03-13 20:46   ` Ning Qu
2014-03-13 20:46     ` Ning Qu

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