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From: Matthew Wilcox <willy@infradead.org>
To: Huang Shijie <shijie@os.amperecomputing.com>
Cc: Shijie Huang <shijie@amperemail.onmicrosoft.com>,
	torvalds@linux-foundation.org, viro@zeniv.linux.org.uk,
	akpm@linux-foundation.org, linux-mm@kvack.org,
	song.bao.hua@hisilicon.com, linux-kernel@vger.kernel.org,
	Frank Wang <zwang@amperecomputing.com>
Subject: Re: Is it possible to implement the per-node page cache for programs/libraries?
Date: Wed, 1 Sep 2021 12:32:27 +0100	[thread overview]
Message-ID: <YS9ky9XiR+JkqSDF@casper.infradead.org> (raw)
In-Reply-To: <YS+NXmDO0yqDEBmD@hsj>

On Wed, Sep 01, 2021 at 02:25:34PM +0000, Huang Shijie wrote:
> On Wed, Sep 01, 2021 at 01:30:45PM +0000, Huang Shijie wrote:
> > On Wed, Sep 01, 2021 at 04:25:01AM +0100, Matthew Wilcox wrote:
> > > On Wed, Sep 01, 2021 at 11:07:41AM +0800, Shijie Huang wrote:
> > > >     In the NUMA, we only have one page cache for each file. For the
> > > > program/shared libraries, the
> > > > remote-access delays longer then the  local-access.
> > > > 
> > > > So, is it possible to implement the per-node page cache for
> > > > programs/libraries?
> > > 
> > > At this point, we have no way to support text replication within a
> > > process.  So what you're suggesting (if implemented) would work for
> > 
> > I created a glibc patch which can do the text replication within a process.
> The "text replication" means the shared libraries, not program itself.

Is it really worthwhile to do only the shared libraries?

  reply	other threads:[~2021-09-01 11:34 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-01  3:07 Shijie Huang
2021-09-01  3:07 ` Shijie Huang
2021-09-01  2:09 ` Barry Song
2021-09-01  2:09   ` Barry Song
2021-09-01  3:25 ` Matthew Wilcox
2021-09-01 13:30   ` Huang Shijie
2021-09-01 14:25     ` Huang Shijie
2021-09-01 11:32       ` Matthew Wilcox [this message]
2021-09-01 23:58       ` Matthew Wilcox
2021-09-02  0:15         ` Barry Song
2021-09-02  0:15           ` Barry Song
2021-09-02  1:13           ` Linus Torvalds
2021-09-02  1:13             ` Linus Torvalds
2021-09-02 10:16         ` Huang Shijie
2021-09-02  3:25   ` Nicholas Piggin
2021-09-02 10:17     ` Matthew Wilcox
2021-09-03  7:10       ` Nicholas Piggin
2021-09-03 19:01         ` Matthew Wilcox
2021-09-03 19:08           ` Linus Torvalds
2021-09-03 19:08             ` Linus Torvalds
2021-09-06  9:56             ` Huang Shijie
2021-09-03 23:42           ` Nicholas Piggin
2021-09-01  4:55 ` Al Viro
2021-09-01 13:10   ` Huang Shijie
2021-09-01 17:24   ` Linus Torvalds
2021-09-01 17:24     ` Linus Torvalds
2021-09-01 17:29     ` Linus Torvalds
2021-09-01 17:29       ` Linus Torvalds
2021-09-01 22:56       ` Barry Song
2021-09-01 22:56         ` Barry Song
2021-09-02 10:12         ` Huang Shijie
2021-09-02 10:08       ` Huang Shijie

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