Messages in this thread | | | Date | Tue, 23 Oct 2012 18:15:38 +0000 | From | Christoph Lameter <> | Subject | Re: [PATCH 1/2] mm/slob: Mark zone page state to get slab usage at /proc/meminfo |
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On Mon, 22 Oct 2012, Ezequiel Garcia wrote:
> SLUB handles large kmalloc allocations falling back > to page-size allocations (kmalloc_large, etc). > This path doesn't touch NR_SLAB_XXRECLAIMABLE zone item state.
Right. UNRECLAIMABLE allocations do not factor in reclaim decisions.
> Without fully understanding it, I've decided to implement the same > behavior for SLOB, > leaving page-size allocations unaccounted on /proc/meminfo. > > Is this expected / wanted ?
Yes that is fine.
> SLAB, on the other side, handles every allocation through some slab cache, > so it always set the zone state.
Right but the caching barely has any effect at large sizes.
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