Re: [PATCH -mm v2 1/3] slub: never fail to shrink cache

[Pekka Enberg]

On 1/28/15 6:31 PM, Christoph Lameter wrote:
> 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@xxxxxxxxx>
Acked-by: Pekka Enberg <penberg@xxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/