Re: [RFC] perf: mmap2 not covering VM_CLONE regions

From: Peter Zijlstra
Date: Tue Oct 08 2013 - 02:55:40 EST


On Mon, Oct 07, 2013 at 11:04:38PM +0200, Stephane Eranian wrote:
> Peter,
>
> Ok, so I tried this. It does not cover shmat() cases unfortunately.
> We need that same ++global_mm_id somewhere on that code path.
> Haven't looked at it in details just yet.

shmat() is a regular shared memory thingy right? So that should be
covered by the regular inode,dev bits, right?
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