Messages in this thread | | | From | Andi Kleen <> | Subject | Re: Very aggressive memory reclaim | Date | Mon, 28 Mar 2011 16:58:50 -0700 |
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Dave Chinner <david@fromorbit.com> writes: > > First it would be useful to determine why the VM is reclaiming so > much memory. If it is somewhat predictable when the excessive > reclaim is going to happen, it might be worth capturing an event
Often it's to get pages of a higher order. Just tracing alloc_pages should tell you that.
There are a few other cases (like memory failure handling), but they're more obscure.
-Andi -- ak@linux.intel.com -- Speaking for myself only
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