Re: remap_file_pages() use

[Armin Rigo]

Hi Dave,

On 19 May 2014 19:50, Dave Hansen <dave.hansen@xxxxxxxxx> wrote:
> We keep the current count as mm->map_count in the kernel, and the limit
> is available because it's a sysctl.  It wouldn't be hard to dump
> mm->map_count out in a /proc file somewhere if it would be useful to
> you.  Would that work, or is there some other interface that would be
> more convenient?

We can keep an in-process estimate of this value anyway.  The sysctl
to get vm.max_map_count is all we need.  That is, unless the limit is
moved to be per-user instead of per-process, as I think was discussed
here --- which would complicate further our job :-/


A bientÃt,

Armin.
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