From: Nick Bowler <nbowler@elliptictech.com>
To: David Rientjes <rientjes@google.com>
Cc: Rik van Riel <riel@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Nick Piggin <npiggin@suse.de>,
Andrea Arcangeli <aarcange@redhat.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Lubos Lunak <l.lunak@suse.cz>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [patch 4/7 -mm] oom: badness heuristic rewrite
Date: Thu, 11 Feb 2010 10:07:12 -0500 [thread overview]
Message-ID: <20100211150712.GA13140@emergent.ellipticsemi.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1002102332200.22152@chino.kir.corp.google.com>
On 01:14 Thu 11 Feb , David Rientjes wrote:
> On Wed, 10 Feb 2010, Rik van Riel wrote:
>
> > > OOM_ADJUST_MIN and OOM_ADJUST_MAX have been exported to userspace since
> > > 2006 via include/linux/oom.h. This alters their values from -16 to -1000
> > > and from +15 to +1000, respectively.
<snip>
> As mentioned in the changelog, we've exported these minimum and maximum
> values via a kernel header file since at least 2006. At what point do we
> assume they are going to be used and not hardcoded into applications?
> That was certainly the intention when making them user visible.
The thing is, even when the macros are used, their values are hardcoded
into programs once the code is run through a compiler. That's why it's
called an ABI.
--
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)
--
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:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2010-02-11 15:08 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-10 16:32 [patch 0/7 -mm] oom killer rewrite David Rientjes
2010-02-10 16:32 ` [patch 1/7 -mm] oom: filter tasks not sharing the same cpuset David Rientjes
2010-02-10 17:08 ` Rik van Riel
2010-02-11 23:52 ` KAMEZAWA Hiroyuki
2010-02-15 2:56 ` KOSAKI Motohiro
2010-02-15 22:06 ` David Rientjes
2010-02-16 4:52 ` KOSAKI Motohiro
2010-02-16 6:01 ` KOSAKI Motohiro
2010-02-16 7:03 ` Nick Piggin
2010-02-16 8:49 ` David Rientjes
2010-02-16 9:04 ` Nick Piggin
2010-02-16 9:10 ` David Rientjes
2010-02-16 8:46 ` David Rientjes
2010-02-10 16:32 ` [patch 2/7 -mm] oom: sacrifice child with highest badness score for parent David Rientjes
2010-02-10 20:52 ` Rik van Riel
2010-02-12 0:00 ` KAMEZAWA Hiroyuki
2010-02-12 0:15 ` David Rientjes
2010-02-13 2:49 ` Minchan Kim
2010-02-15 3:08 ` KOSAKI Motohiro
2010-02-10 16:32 ` [patch 3/7 -mm] oom: select task from tasklist for mempolicy ooms David Rientjes
2010-02-10 22:47 ` Rik van Riel
2010-02-15 5:03 ` KOSAKI Motohiro
2010-02-15 22:11 ` David Rientjes
2010-02-16 5:15 ` KOSAKI Motohiro
2010-02-16 21:52 ` David Rientjes
2010-02-17 0:48 ` David Rientjes
2010-02-17 1:13 ` KOSAKI Motohiro
2010-02-10 16:32 ` [patch 4/7 -mm] oom: badness heuristic rewrite David Rientjes
2010-02-11 4:10 ` Rik van Riel
2010-02-11 9:14 ` David Rientjes
2010-02-11 15:07 ` Nick Bowler [this message]
2010-02-11 21:01 ` David Rientjes
2010-02-11 21:43 ` Andrew Morton
2010-02-11 21:51 ` David Rientjes
2010-02-11 22:31 ` Andrew Morton
2010-02-11 22:42 ` David Rientjes
2010-02-11 23:11 ` Andrew Morton
2010-02-11 23:31 ` David Rientjes
2010-02-11 23:37 ` Andrew Morton
2010-02-12 13:56 ` Minchan Kim
2010-02-12 21:00 ` David Rientjes
2010-02-13 2:45 ` Minchan Kim
2010-02-15 21:54 ` David Rientjes
2010-02-16 13:14 ` Minchan Kim
2010-02-16 21:41 ` David Rientjes
2010-02-17 7:41 ` Minchan Kim
2010-02-17 9:23 ` David Rientjes
2010-02-17 13:08 ` Minchan Kim
2010-02-15 8:05 ` KOSAKI Motohiro
2010-02-10 16:32 ` [patch 5/7 -mm] oom: replace sysctls with quick mode David Rientjes
2010-02-12 0:26 ` KAMEZAWA Hiroyuki
2010-02-12 9:58 ` David Rientjes
2010-02-15 8:09 ` KOSAKI Motohiro
2010-02-15 22:15 ` David Rientjes
2010-02-16 5:25 ` KOSAKI Motohiro
2010-02-16 9:04 ` David Rientjes
2010-02-10 16:32 ` [patch 6/7 -mm] oom: avoid oom killer for lowmem allocations David Rientjes
2010-02-11 4:13 ` Rik van Riel
2010-02-11 9:19 ` David Rientjes
2010-02-11 14:08 ` Rik van Riel
2010-02-12 1:28 ` KAMEZAWA Hiroyuki
2010-02-12 10:06 ` David Rientjes
2010-02-15 0:09 ` KAMEZAWA Hiroyuki
2010-02-15 22:01 ` David Rientjes
2010-02-15 8:29 ` KOSAKI Motohiro
2010-02-10 16:32 ` [patch 7/7 -mm] oom: remove unnecessary code and cleanup David Rientjes
2010-02-12 0:12 ` KAMEZAWA Hiroyuki
2010-02-12 0:21 ` David Rientjes
2010-02-15 8:31 ` KOSAKI Motohiro
2010-02-15 2:51 ` [patch 0/7 -mm] oom killer rewrite KOSAKI Motohiro
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=20100211150712.GA13140@emergent.ellipticsemi.com \
--to=nbowler@elliptictech.com \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=balbir@linux.vnet.ibm.com \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=l.lunak@suse.cz \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=npiggin@suse.de \
--cc=riel@redhat.com \
--cc=rientjes@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;
as well as URLs for NNTP newsgroup(s).