linux-kernel - Re: [PATCH v6 0/7] Buddy allocator like (or non-uniform) folio split

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] [day] [month] [year] [list]

Message-Id: <20250206000111.6c54e67d1933f8bbc01a46cd@linux-foundation.org>
Date: Thu, 6 Feb 2025 00:01:11 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Zi Yan <ziy@...dia.com>
Cc: linux-mm@...ck.org, "Kirill A . Shutemov"
 <kirill.shutemov@...ux.intel.com>, "Matthew Wilcox (Oracle)"
 <willy@...radead.org>, Ryan Roberts <ryan.roberts@....com>, Hugh Dickins
 <hughd@...gle.com>, David Hildenbrand <david@...hat.com>, Yang Shi
 <yang@...amperecomputing.com>, Miaohe Lin <linmiaohe@...wei.com>, Kefeng
 Wang <wangkefeng.wang@...wei.com>, Yu Zhao <yuzhao@...gle.com>, John
 Hubbard <jhubbard@...dia.com>, Baolin Wang <baolin.wang@...ux.alibaba.com>,
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 0/7] Buddy allocator like (or non-uniform) folio
 split

On Tue,  4 Feb 2025 22:14:10 -0500 Zi Yan <ziy@...dia.com> wrote:

> This patchset adds a new buddy allocator like (or non-uniform) large folio
> split to reduce the total number of after-split folios, the amount of memory
> needed for multi-index xarray split, and keep more large folios after a split.

It would be useful (vital, really) to provide some measurements which
help others understand the magnitude of these resource savings, please.