Messages in this thread | | | Date | Wed, 28 Jan 2015 10:31:43 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [PATCH -mm v2 1/3] slub: never fail to shrink cache |
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On Wed, 28 Jan 2015, Vladimir Davydov wrote:
> This patch therefore makes __kmem_cache_shrink() allocate the array on > stack instead of calling kmalloc, which may fail. The array size is > chosen to be equal to 32, because most SLUB caches store not more than > 32 objects per slab page. Slab pages with <= 32 free objects are sorted > using the array by the number of objects in use and promoted to the head > of the partial list, while slab pages with > 32 free objects are left in > the end of the list without any ordering imposed on them.
Acked-by: Christoph Lameter <cl@linux.com>
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