linux-kernel - Re: [PATCH v8 23/70] mm/mmap: change do_brk_flags() to expand existing VMA and add do_brk

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: <20220428181621.636487e753422ad0faf09bd6@linux-foundation.org>
Date:   Thu, 28 Apr 2022 18:16:21 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Liam Howlett <liam.howlett@...cle.com>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Yu Zhao <yuzhao@...gle.com>
Subject: Re: [PATCH v8 23/70] mm/mmap: change do_brk_flags() to expand
 existing VMA and add do_brk_munmap()

On Fri, 29 Apr 2022 00:38:50 +0000 Liam Howlett <liam.howlett@...cle.com> wrote:

> > mm/mmap.c: In function 'do_brk_flags':
> > mm/mmap.c:2908:17: error: implicit declaration of function
> > 	'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'?
> > 
> > It appears that this is later fixed, but it hurts bisectability
> > (and prevents me from finding the actual build failure in linux-next
> > when trying to build corenet64_smp_defconfig).
> 
> Yeah, that khugepaged_enter_vma_merge was renamed in another patch set.
> Andrew made the correction but kept the patch as it was.  I think the
> suggested change is right.. if you read the commit that introduced
> khugepaged_enter_vma(), it seems right at least.

Things are a bit crazy lately.  Merge issues with mapletree, merge
issues with mglru on mapletree, me doing a bunch of retooling to start
publishing/merging via git, mapletree runtime issues, etc.

I've dropped the mapletree patches again.  Please scoop up all known
fixes and redo against the (non-rebasing) mm-stable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

The mm-unstable branch is a rebasing tree which contains mm-stable as
well as all the quilt-based MM material which isn't final enough to get
into mm-stable.  So before sending please do a test merge with mm-unstable,
evaluate any issues which might be encountered.

I'd prefer to concentrate on getting mapletree stabilized and landed
for now, worry about mglru after that.