Propose to Use madvise API on Runtime Loader

[Siddhesh Poyarekar]

On Fri, May 23, 2014 at 02:12:20PM +0800, lin zuojian wrote:
> Hi Siddhesh,
> On Fri, May 23, 2014 at 11:32:55AM +0530, Siddhesh Poyarekar wrote:
> > The OOM killer considers commit charge and MADV_DONTNEED does not
> > affect commit charge, so the call would be largely useless.
> > 
> the oom_kill.c (oom_badness):
> 	points = get_mm_rss(p->mm) + atomic_long_read(&p->mm->nr_ptes) +
> 		 get_mm_counter(p->mm, MM_SWAPENTS);
> 
> what do you think these code means?

Sorry, mmap allocations consider commit charge, not the OOM killer.  I
misremembered a previous discussion.

Siddhesh
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