From: "Lee Revell" <rlrevell@joe-job.com>
To: "Andrew Morton" <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: userspace pagecache management tool
Date: Sat, 3 Mar 2007 20:16:09 -0500 [thread overview]
Message-ID: <75b66ecd0703031716k5b9fd96br9ecd93f1fc3a6032@mail.gmail.com> (raw)
In-Reply-To: <20070303122935.f1ab0067.akpm@linux-foundation.org>
On 3/3/07, Andrew Morton <akpm@linux-foundation.org> wrote:
> The tool uses an LD_PRELOAD hack to intercept glibc's read(), pread(),
> write(), pwrite(), close() and dup2() functions. pagecache control is done
> via posix_fadvise() and sync_file_range().
>
How could this have any effect on the updatedb problem? updatedb does
not read() anything, it just open()s and stat()s every file on the
disk.
Lee
next prev parent reply other threads:[~2007-03-04 1:16 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-03 20:29 Andrew Morton
2007-03-03 20:40 ` Rik van Riel
2007-03-03 21:12 ` Andrew Morton
2007-03-03 21:30 ` Rik van Riel
2007-03-03 21:41 ` bert hubert
2007-03-03 22:14 ` Andrew Morton
2007-03-03 22:19 ` Rik van Riel
2007-03-03 22:26 ` Andrew Morton
2007-03-03 22:28 ` Rik van Riel
2007-03-03 22:38 ` Andrew Morton
2007-03-03 22:56 ` Erik Andersen
2007-03-03 23:01 ` bert hubert
2007-03-03 23:45 ` Andrew Morton
2007-03-06 12:10 ` Pádraig Brady
2007-03-06 21:40 ` Andrew Morton
2007-03-06 21:44 ` Rik van Riel
2007-03-07 11:39 ` Pádraig Brady
2007-03-07 18:50 ` Andrew Morton
2007-03-08 7:59 ` Vaidyanathan Srinivasan
2007-03-08 8:12 ` Andrew Morton
2007-03-03 22:07 ` Andrew Morton
2007-03-03 22:25 ` Rik van Riel
2007-03-03 22:37 ` Andrew Morton
2007-03-03 22:52 ` Andrew Morton
2007-03-04 0:01 ` Rik van Riel
2007-03-04 1:02 ` Andrew Morton
2007-03-04 1:23 ` Rik van Riel
2007-03-04 1:49 ` Andrew Morton
2007-03-04 1:56 ` Rik van Riel
2007-03-04 12:07 ` Andrew Morton
2007-03-04 14:35 ` Peter Zijlstra
2007-03-04 16:01 ` Rik van Riel
2007-03-03 22:58 ` Ray Lee
2007-03-03 23:34 ` Andrew Morton
2007-03-04 1:02 ` Ray Lee
2007-03-04 1:21 ` Andrew Morton
2007-03-04 0:14 ` Eric St-Laurent
2007-03-04 1:10 ` Andrew Morton
2007-03-04 1:39 ` Rik van Riel
2007-03-04 1:16 ` Lee Revell [this message]
2007-03-04 1:39 ` Andrew Morton
2007-03-04 2:35 ` Lee Revell
2007-03-04 4:35 ` Andrew Morton
2007-03-05 11:02 ` Pádraig Brady
2007-03-05 11:12 ` Andrew Morton
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