linux-kernel - Re: Is it possible to implement the per-node page cache for programs/libraries?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YTCktV3KF9PzIACU@casper.infradead.org>
Date:   Thu, 2 Sep 2021 11:17:25 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Nicholas Piggin <npiggin@...il.com>
Cc:     Shijie Huang <shijie@...eremail.onmicrosoft.com>,
        akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, song.bao.hua@...ilicon.com,
        torvalds@...ux-foundation.org, viro@...iv.linux.org.uk,
        Frank Wang <zwang@...erecomputing.com>
Subject: Re: Is it possible to implement the per-node page cache for
 programs/libraries?

On Thu, Sep 02, 2021 at 01:25:36PM +1000, Nicholas Piggin wrote:
> > I have been thinking about this a bit; one of our internal performance
> > teams flagged the potential performance win to me a few months ago.
> > I don't have a concrete design for text replication yet; there have been
> > various attempts over the years, but none were particularly compelling.
> 
> What was not compelling about it?

It wasn't merged, so clearly it wasn't compelling enough?

> https://lists.openwall.net/linux-kernel/2007/07/27/112
> 
> What are the other attempts?

I found one from Dave Hansen in 2003:

https://lwn.net/Articles/45082/

I think somebody else may have posted a different one, but I don't
remember now.