Re: [PATCH v6, part3 15/16] mm: report available pages as "MemTotal"for each NUMA node

[Liu Jiang]

On Sun 12 May 2013 04:05:51 AM CST, Sergei Shtylyov wrote:
> Hello.
>
> On 05/11/2013 09:34 PM, Jiang Liu wrote:
>
>    I've noticed a small typo in the changelog.
>
> > As reported by https://bugzilla.kernel.org/show_bug.cgi?id=53501,
> > "MemTotal" from /proc/meminfo means memory pages managed by the buddy
> > system (managed_pages), but "MemTotal" from /sys/.../node/nodex/meminfo
> > means phsical pages present (present_pages) within the NUMA node.
>
>     s/phsical/physical/
Thanks Sergei, will fix it in next version.
Gerry

> > There's a difference between managed_pages and present_pages due to
> > bootmem allocator and reserved pages.
> >
> > And Documentation/filesystems/proc.txt says
> >      MemTotal: Total usable ram (i.e. physical ram minus a few reserved
> >                bits and the kernel binary code)
> >
> > So change /sys/.../node/nodex/meminfo to report available pages within
> > the node as "MemTotal".
> >
> > Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
> > Reported-by: sworddragon2@xxxxxxx
> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Mel Gorman <mgorman@xxxxxxx>
> > Cc: Minchan Kim <minchan@xxxxxxxxxx>
> > Cc: linux-mm@xxxxxxxxx
> > Cc: linux-kernel@xxxxxxxxxxxxxxx
>
> WBR, Sergei


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