linux-kernel - [PATCH 0/2] fix several contiguous memmap assumptions

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-next>] [day] [month] [year] [list]

Date:   Tue, 29 Mar 2022 21:09:26 +0800
From:   Chen Wandun <chenwandun@...wei.com>
To:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <akpm@...ux-foundation.org>
Subject: [PATCH 0/2] fix several contiguous memmap assumptions

It isn't true for only SPARSEMEM configs to assume that a compound page
has virtually contiguous page structs, so use nth_page to iterate each
page.

Inspired by:
https://lore.kernel.org/linux-mm/20220204195852.1751729-8-willy@infradead.org/

Chen Wandun (2):
  mm: fix contiguous memmap assumptions about split page
  mm: fix contiguous memmap assumptions about alloc/free pages

 include/linux/mm.h |  2 ++
 mm/compaction.c    |  6 +++---
 mm/huge_memory.c   |  2 +-
 mm/page_alloc.c    | 14 ++++++++------
 4 files changed, 14 insertions(+), 10 deletions(-)

-- 
2.18.0.huawei.25