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SubjectRe: [PATCH] Revert oom rewrite series
On Tue, 16 Nov 2010 11:03:10 +0000
Alan Cox <> wrote:

> > 5.6p1 is the latest-n-greatest released version on, so somebody
> > probably needs to rattle their chain...
> But current openssh needs to support old kernels.
> This is why this kind of obsoleting doesn't work well. It's not "update
> your app" so much as "drop support for older stuff or start doing
> complicated crap dependant on version"
> and it's why for tiny amounts of code it is the *wrong* thing to force
> obsolete stuff especially when it still doesn't seem to have been
> properly marked for deprecation in the first place.

How does one mark it apropriately?
The commit 51b1bd2 (oom: deprecate oom_adj tunable, see below)
added it to feature-removal-schedule.txt, a patch for
Documentation/ABI has also been provided in the meantime, if i'm not

And there is already a patch for openssh:


commit 51b1bd2ace1595b72956224deda349efa880b693
Author: David Rientjes <>
Date: Mon Aug 9 17:19:47 2010 -0700

oom: deprecate oom_adj tunable

/proc/pid/oom_adj is now deprecated so that that it may eventually be
removed. The target date for removal is August 2012.

A warning will be printed to the kernel log if a task attempts to use this
interface. Future warning will be suppressed until the kernel is rebooted
to prevent spamming the kernel log.

Signed-off-by: David Rientjes <>
Cc: Nick Piggin <>
Cc: KAMEZAWA Hiroyuki <>
Cc: KOSAKI Motohiro <>
Cc: Oleg Nesterov <>
Cc: Balbir Singh <>
Signed-off-by: Andrew Morton <>
Signed-off-by: Linus Torvalds <>

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