linux-kernel - Re: [PATCH v3] Weighted interleave auto-tuning

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: <Z5O3ifDLUl4zlmtg@gourry-fedora-PF4VCD3F>
Date: Fri, 24 Jan 2025 10:53:45 -0500
From: Gregory Price <gourry@...rry.net>
To: Matthew Wilcox <willy@...radead.org>
Cc: Joshua Hahn <joshua.hahnjy@...il.com>, hyeonggon.yoo@...com,
	ying.huang@...ux.alibaba.com, rafael@...nel.org, lenb@...nel.org,
	gregkh@...uxfoundation.org, akpm@...ux-foundation.org,
	honggyu.kim@...com, rakie.kim@...com, dan.j.williams@...el.com,
	Jonathan.Cameron@...wei.com, dave.jiang@...el.com,
	horen.chuang@...ux.dev, hannes@...xchg.org,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-mm@...ck.org, kernel-team@...a.com
Subject: Re: [PATCH v3] Weighted interleave auto-tuning

On Fri, Jan 24, 2025 at 05:58:09AM +0000, Matthew Wilcox wrote:
> Putting page cache in the CXL seems like nonsense to me.  I can see it
> making sense to swap to CXL, or allocating anonymous memory for tasks
> with low priority on it.  But I just can't see the point of putting
> pagecache on CXL.

Also for what it's worth, I'm trying to get page cache *off* CXL
when it becomes warm/hot :]

https://lore.kernel.org/linux-mm/20250107000346.1338481-1-gourry@gourry.net/

~Gregory