linux-kernel - Re: [RFC PATCH -next 00/16] mm/damon: support ARM32 with LPAE

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: <20250813172836.6743-1-sj@kernel.org>
Date: Wed, 13 Aug 2025 10:28:36 -0700
From: SeongJae Park <sj@...nel.org>
To: Quanmin Yan <yanquanmin1@...wei.com>
Cc: SeongJae Park <sj@...nel.org>,
	akpm@...ux-foundation.org,
	damon@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	wangkefeng.wang@...wei.com,
	zuoze1@...wei.com
Subject: Re: [RFC PATCH -next 00/16] mm/damon: support ARM32 with LPAE

On Wed, 13 Aug 2025 13:06:50 +0800 Quanmin Yan <yanquanmin1@...wei.com> wrote:

> Previously, DAMON's physical address space monitoring only supported
> memory ranges below 4GB on LPAE-enabled systems. This was due to
> the use of 'unsigned long' in 'struct damon_addr_range', which is
> 32-bit on ARM32 even with LPAE enabled.
> 
> Implements DAMON compatibility for ARM32 with LPAE enabled.
> 
> Patches 01/16 through 10/16 are from the mailing list[1], add a new core
> layer parameter called 'addr_unit'. Operations set layer can translate a
> core layer address to the real address by multiplying the parameter value
> to the core layer address.
> 
> Patches 11/16 through 14/16 extend and complement patches 01~10, addressing
> various issues introduced by the addr_unit implementation.
> 
> Patches 15/16 and 16/16 complete native DAMON support for 32-bit systems.
> 
> [1] https://lore.kernel.org/all/20250416042551.158131-1-sj@kernel.org/

It would be nice to add more history about this nice work here, with links.


Thanks,
SJ

[...]