From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Andrew Morton <akpm@osdl.org>, Nick Piggin <piggin@cyberone.com.au>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] Remove OOM killer from try_to_free_pages / all_unreclaimable braindamage
Date: Mon, 8 Nov 2004 14:27:31 -0200 [thread overview]
Message-ID: <20041108162731.GE2336@logos.cnet> (raw)
In-Reply-To: <20041105200118.GA20321@logos.cnet>
On Fri, Nov 05, 2004 at 06:01:18PM -0200, Marcelo Tosatti wrote:
> While doing this, I noticed that kswapd will happily go to sleep
> if all zones have all_unreclaimable set. I bet this is the reason
> for the page allocation failures we are seeing. So the patch
> also makes balance_pgdat() NOT return and go to "loop_again"
> instead in case of page shortage - even if all_unreclaimable is set.
>
> Basically the "loop_again" logic IS NOT WORKING!
Wrong, the loop_again logic is working, all_zones_ok will be
set when DEF_PRIORITY = 0.
So the page allocation failures are happening for some other
reason(s).
WARNING: multiple messages have this Message-ID (diff)
From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Andrew Morton <akpm@osdl.org>, Nick Piggin <piggin@cyberone.com.au>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] Remove OOM killer from try_to_free_pages / all_unreclaimable braindamage
Date: Mon, 8 Nov 2004 14:27:31 -0200 [thread overview]
Message-ID: <20041108162731.GE2336@logos.cnet> (raw)
In-Reply-To: <20041105200118.GA20321@logos.cnet>
On Fri, Nov 05, 2004 at 06:01:18PM -0200, Marcelo Tosatti wrote:
> While doing this, I noticed that kswapd will happily go to sleep
> if all zones have all_unreclaimable set. I bet this is the reason
> for the page allocation failures we are seeing. So the patch
> also makes balance_pgdat() NOT return and go to "loop_again"
> instead in case of page shortage - even if all_unreclaimable is set.
>
> Basically the "loop_again" logic IS NOT WORKING!
Wrong, the loop_again logic is working, all_zones_ok will be
set when DEF_PRIORITY = 0.
So the page allocation failures are happening for some other
reason(s).
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"aart@kvack.org"> aart@kvack.org </a>
next prev parent reply other threads:[~2004-11-08 19:47 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-05 20:01 [PATCH] Remove OOM killer from try_to_free_pages / all_unreclaimable braindamage Marcelo Tosatti
2004-11-05 20:01 ` Marcelo Tosatti
2004-11-05 23:32 ` Jesse Barnes
2004-11-05 23:47 ` Thomas Gleixner
2004-11-05 23:47 ` Thomas Gleixner
2004-11-06 1:20 ` Andrea Arcangeli
2004-11-06 1:20 ` Andrea Arcangeli
2004-11-06 1:26 ` Nick Piggin
2004-11-06 1:26 ` Nick Piggin
2004-11-06 1:36 ` Jesse Barnes
2004-11-06 1:36 ` Jesse Barnes
2004-11-06 1:50 ` Andrea Arcangeli
2004-11-06 1:50 ` Andrea Arcangeli
2004-11-06 9:47 ` Hugh Dickins
2004-11-06 9:47 ` Hugh Dickins
2004-11-06 10:53 ` Nick Piggin
2004-11-06 10:53 ` Nick Piggin
2004-11-06 15:29 ` Andrea Arcangeli
2004-11-06 15:29 ` Andrea Arcangeli
2004-11-06 15:29 ` Andrea Arcangeli
2004-11-06 15:29 ` Andrea Arcangeli
2004-11-06 16:21 ` Hugh Dickins
2004-11-06 16:21 ` Hugh Dickins
2004-12-10 6:02 ` William Lee Irwin III
2004-12-10 6:02 ` William Lee Irwin III
2004-11-06 11:37 ` Nikita Danilov
2004-11-06 11:37 ` Nikita Danilov
2004-11-06 15:32 ` Andrea Arcangeli
2004-11-06 15:32 ` Andrea Arcangeli
2004-11-06 16:54 ` Nikita Danilov
2004-11-06 16:54 ` Nikita Danilov
2004-11-06 17:44 ` Andrea Arcangeli
2004-11-06 17:44 ` Andrea Arcangeli
2004-11-06 19:24 ` Nikita Danilov
2004-11-06 19:24 ` Nikita Danilov
2004-11-07 1:16 ` Andrea Arcangeli
2004-11-07 1:16 ` Andrea Arcangeli
2004-11-06 10:11 ` Marcelo Tosatti
2004-11-06 10:11 ` Marcelo Tosatti
2004-11-06 1:55 ` Thomas Gleixner
2004-11-06 1:55 ` Thomas Gleixner
2004-11-06 10:28 ` Marcelo Tosatti
2004-11-06 10:28 ` Marcelo Tosatti
2004-11-17 22:54 ` Werner Almesberger
2004-11-17 22:54 ` Werner Almesberger
2004-11-17 23:27 ` Chris Ross
2004-11-17 23:27 ` Chris Ross
2004-11-18 0:04 ` Werner Almesberger
2004-11-18 0:04 ` Werner Almesberger
2004-11-18 0:28 ` Chris Ross
2004-11-18 0:28 ` Chris Ross
2004-11-18 1:14 ` Werner Almesberger
2004-11-18 1:14 ` Werner Almesberger
2004-11-18 8:20 ` Chris Ross
2004-11-18 8:20 ` Chris Ross
2004-11-18 10:01 ` Werner Almesberger
2004-11-18 10:01 ` Werner Almesberger
2004-11-18 14:44 ` Thomas Gleixner
2004-11-18 14:44 ` Thomas Gleixner
2004-11-18 15:10 ` Chris Friesen
2004-11-18 15:10 ` Chris Friesen
2004-11-06 10:05 ` Marcelo Tosatti
2004-11-06 10:05 ` Marcelo Tosatti
2004-11-06 15:44 ` Andrea Arcangeli
2004-11-06 15:44 ` Andrea Arcangeli
2004-11-06 15:52 ` Arjan van de Ven
2004-11-06 15:52 ` Arjan van de Ven
2004-11-06 17:09 ` Marcelo Tosatti
2004-11-06 17:09 ` Marcelo Tosatti
2004-11-07 0:48 ` Andrea Arcangeli
2004-11-07 0:48 ` Andrea Arcangeli
2004-11-07 11:21 ` Marcelo Tosatti
2004-11-07 11:21 ` Marcelo Tosatti
2004-11-06 12:53 ` [PATCH] Remove OOM killer Andries Brouwer
2004-11-06 12:53 ` Andries Brouwer
2004-11-06 10:41 ` Marcelo Tosatti
2004-11-06 10:41 ` Marcelo Tosatti
2004-11-07 9:26 ` Marko Macek
2004-11-07 9:26 ` Marko Macek
2004-11-07 11:34 ` memory overcommit (was: [PATCH] Remove OOM killer ...) Anton Ertl
2004-11-08 16:27 ` Marcelo Tosatti [this message]
2004-11-08 16:27 ` [PATCH] Remove OOM killer from try_to_free_pages / all_unreclaimable braindamage Marcelo Tosatti
2004-11-08 18:55 ` Marcelo Tosatti
2004-11-09 2:22 ` Nick Piggin
2004-11-09 2:35 ` Andrew Morton
2004-11-09 2:46 ` Nick Piggin
2004-11-09 7:18 ` Marcelo Tosatti
2004-11-09 7:15 ` Marcelo Tosatti
2004-11-10 1:11 ` Nick Piggin
[not found] <fa.ev73q5c.ejcnom@ifi.uio.no>
[not found] ` <fa.es1mdq5.76ib8j@ifi.uio.no>
2004-11-18 20:48 ` Bodo Eggert
2004-11-18 21:15 ` Werner Almesberger
2004-11-19 1:05 ` Bodo Eggert
2004-11-19 0:15 ` Andreas Dilger
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=20041108162731.GE2336@logos.cnet \
--to=marcelo.tosatti@cyclades.com \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=piggin@cyberone.com.au \
/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.