All of lore.kernel.org
 help / color / mirror / Atom feed
From: Mike Galbraith <efault@gmx.de>
To: Vlastimil Babka <vbabka@suse.cz>, Clark Williams <williams@redhat.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>,
	RT <linux-rt-users@vger.kernel.org>
Subject: Re: [ANNOUNCE] v5.14-rc5-rt8
Date: Sun, 15 Aug 2021 05:13:11 +0200	[thread overview]
Message-ID: <0044f090d3919eef03048527f1baa34aec5198a8.camel@gmx.de> (raw)
In-Reply-To: <96ceab8e-4bf9-147a-e931-848676003c3f@suse.cz>

On Sat, 2021-08-14 at 21:08 +0200, Vlastimil Babka wrote:
> On 8/12/21 11:44 PM, Clark Williams wrote:
> >
> > $ ./scripts/faddr2line /data/o/linux-5.14.y-rt/vmlinux ___slab_alloc+0x340/0x940
> > ___slab_alloc+0x340/0x940:
> > PageSlabPfmemalloc at include/linux/page-flags.h:814
> > (inlined by) pfmemalloc_match at mm/slub.c:2772
> > (inlined by) ___slab_alloc at mm/slub.c:2874
>
> Aha! That's helpful. Hopefully it's just a small issue where we
> opportunistically test flags on a page that's protected by the local
> lock we didn't take yet, and I didn't realize there's the VM_BUG_ON
> which can trigger if our page went away (which we would have realized
> after taking the lock).
>
> So hopefully the below diff with uninspired naming should help?

I bet a nickle it does, shall let box slave away testing that theory
while its master pedals around the sunny Bavarian countryside.

	-Mike



  reply	other threads:[~2021-08-15  3:13 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-10 16:37 [ANNOUNCE] v5.14-rc5-rt8 Sebastian Andrzej Siewior
2021-08-12 20:18 ` Clark Williams
2021-08-12 20:45   ` Vlastimil Babka
2021-08-12 21:24     ` Clark Williams
2021-08-12 21:30       ` Vlastimil Babka
2021-08-12 21:44         ` Clark Williams
2021-08-14 19:08           ` Vlastimil Babka
2021-08-15  3:13             ` Mike Galbraith [this message]
2021-08-15  9:01               ` Mike Galbraith
2021-08-15  4:17             ` Mike Galbraith
2021-08-15  9:35               ` Vlastimil Babka
2021-08-15 13:03                 ` Mike Galbraith
2021-08-12 21:36   ` Vlastimil Babka
2021-08-12 21:47     ` Clark Williams
2021-08-13 10:56   ` Mike Galbraith
2021-08-14  5:33     ` Mike Galbraith
2021-08-14 18:28       ` Vlastimil Babka
2021-08-15  1:26         ` Mike Galbraith

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=0044f090d3919eef03048527f1baa34aec5198a8.camel@gmx.de \
    --to=efault@gmx.de \
    --cc=bigeasy@linutronix.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rt-users@vger.kernel.org \
    --cc=tglx@linutronix.de \
    --cc=vbabka@suse.cz \
    --cc=williams@redhat.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.