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From: mgorman@suse.de (Mel Gorman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: print cma-reserved pages from show_mem
Date: Thu, 26 Mar 2015 12:30:29 +0000	[thread overview]
Message-ID: <20150326123028.GM4701@suse.de> (raw)
In-Reply-To: <20150326114612.GD8656@n2100.arm.linux.org.uk>

On Thu, Mar 26, 2015 at 11:46:12AM +0000, Russell King - ARM Linux wrote:
> <SNIP>
> 
> Looking at Mel's commit, I don't see a reason why we couldn't use that
> solution - it gets rid of walking the page array, which has been fraught
> in the past due to ARM having platforms which have holes in their
> physical memory.
> 
> We could try that solution - I don't see much downside to it.  Most of
> that information is as debug information for MM stuff anyway, and IMHO

>From an MM perspective, I can tell you that the information is close to
useless for debugging anything. It's why I ditched it in that commit and
AFAIK, no one has ever cared.

> 8<===
> From: Russell King <rmk+kernel@arm.linux.org.uk>
> Subject: [PATCH] ARM: switch to use the generic show_mem() implementation
> 
> Switch ARM to use the generic show_mem() implementation, which displays
> the statistics from the mm zone rather than walking the page arrays.
> 
> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

If this builds, boots and sysrq-m works as expected then for what it's worth

Acked-by: Mel Gorman <mgorman <mgorman@suse.de>

-- 
Mel Gorman
SUSE Labs

  reply	other threads:[~2015-03-26 12:30 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-04 23:22 [PATCH] ARM: print cma-reserved pages from show_mem Gregory Fong
2015-02-06  0:41 ` Laura Abbott
2015-02-06 21:14   ` Gregory Fong
2015-02-06 21:41     ` Laura Abbott
2015-02-09 19:55       ` Gregory Fong
2015-02-10 11:32         ` Russell King - ARM Linux
2015-03-23  9:08           ` Gregory Fong
2015-03-25 11:49             ` Mel Gorman
2015-03-26 11:46             ` Russell King - ARM Linux
2015-03-26 12:30               ` Mel Gorman [this message]
2015-03-26 13:22                 ` Russell King - ARM Linux
2015-03-26 13:47                   ` Mel Gorman
2015-04-10  4:36                 ` Gregory Fong
2015-04-10  5:18                   ` Wang, Yalin
2015-04-10 11:24                     ` Russell King - ARM Linux
2015-04-13  1:09                       ` Gregory Fong
2015-04-13  1:21                         ` Gregory Fong
2015-04-13  9:56                           ` Russell King - ARM Linux
2015-04-13 10:04                             ` Mel Gorman
2015-04-13 10:05                               ` Russell King - ARM Linux
2015-04-13 12:29                                 ` Gregory Fong

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