The Linux Kernel Mailing List
 help / color / mirror / Atom feed
From: Matthew Wilcox <willy@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>, Jan Kara <jack@suse.cz>,
	Suren Baghdasaryan <surenb@google.com>,
	Pedro Falcato <pfalcato@suse.de>,
	Frederick Mayle <fmayle@google.com>,
	Kalesh Singh <kaleshsingh@google.com>,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org,
	David Hildenbrand <david@kernel.org>
Subject: Re: [PATCH mm-hotfixses] Revert "mm: limit filemap_fault readahead to VMA boundaries"
Date: Mon, 22 Jun 2026 18:11:22 +0100	[thread overview]
Message-ID: <ajlsum91zeh-oRz6@casper.infradead.org> (raw)
In-Reply-To: <20260622095855.50e4276e331cb2d01db7183a@linux-foundation.org>

On Mon, Jun 22, 2026 at 09:58:55AM -0700, Andrew Morton wrote:
> > > much as I personally find restricting mmap readahead to a VMA a sensible
> > > thing to do). We just need to figure out how to improve the Android
> > > usecase.
> 
> Would a helpful heuristic be to do what 7b32f64bc512 is doing, but only
> if PROT_EXEC?

I was wondering the same thing.  But I think it's right to back this out
for now and try that after -rc1 so it gets some time soaking and
bot-teesting.


  reply	other threads:[~2026-06-22 17:11 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-19 11:28 [PATCH mm-hotfixses] Revert "mm: limit filemap_fault readahead to VMA boundaries" Lorenzo Stoakes
2026-06-19 11:40 ` David Hildenbrand (Arm)
2026-06-19 11:58 ` Pedro Falcato
2026-06-19 15:47 ` Matthew Wilcox
2026-06-19 16:37 ` Andrew Morton
2026-06-19 16:52   ` Matthew Wilcox
2026-06-19 17:07     ` Lorenzo Stoakes
2026-06-19 17:08       ` Lorenzo Stoakes
2026-06-19 17:18       ` Pedro Falcato
2026-06-19 17:43         ` Suren Baghdasaryan
2026-06-19 17:46           ` Matthew Wilcox
2026-06-19 17:52             ` Suren Baghdasaryan
2026-06-19 19:26               ` Pedro Falcato
2026-06-19 19:33                 ` Suren Baghdasaryan
2026-06-22  9:26                   ` Jan Kara
2026-06-22 13:55                     ` Lorenzo Stoakes
2026-06-22 16:58                       ` Andrew Morton
2026-06-22 17:11                         ` Matthew Wilcox [this message]
2026-06-22 17:57                           ` Suren Baghdasaryan
2026-06-22 19:29                             ` Pedro Falcato
2026-06-23 19:28                               ` Frederick Mayle
2026-06-24  9:04                                 ` David Hildenbrand (Arm)

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ajlsum91zeh-oRz6@casper.infradead.org \
    --to=willy@infradead.org \
    --cc=akpm@linux-foundation.org \
    --cc=david@kernel.org \
    --cc=fmayle@google.com \
    --cc=jack@suse.cz \
    --cc=kaleshsingh@google.com \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=ljs@kernel.org \
    --cc=pfalcato@suse.de \
    --cc=surenb@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox