Messages in this thread | | | Date | Thu, 26 Mar 2015 12:30:29 +0000 | From | Mel Gorman <> | Subject | Re: [PATCH] ARM: print cma-reserved pages from show_mem |
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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
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