Re: [PATCH] mm: memcontrol: fix the return in mem_cgroup_margin

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On Wed, May 18, 2016 at 3:32 PM, Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> count should always be smaller than memsw.limit (this is a hard limit).
> Even if we have some temporary breach then the code should work as
> expected because margin is initialized to 0 and memsw.limit >= limit.

is it possible for this case? for example

memory count is 500, memory limit is 600; the margin is set to 100 firstly,
then check memory+swap limit, its count(1100) is bigger than its limit(1000),
then the margin 100 is returned wrongly.


-Roy
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