On Wed, Sep 04, 2013 at 11:38:04AM +0800, Wanpeng Li wrote:
> Hi Joonsoo,
> On Fri, Aug 23, 2013 at 03:35:39PM +0900, Joonsoo Kim wrote:
> >On Thu, Aug 22, 2013 at 04:47:25PM +, Christoph Lameter wrote:
> >> On Thu, 22 Aug 2013, Joonsoo Kim wrote:
> >
> [...]
> >struct slab's free = END
> >kmem
On Thu, Aug 22, 2013 at 04:47:25PM +, Christoph Lameter wrote:
> On Thu, 22 Aug 2013, Joonsoo Kim wrote:
>
> > And this patchset change a management method of free objects of a slab.
> > Current free objects management method of the slab is weird, because
> > it touch random position of the ar
On Thu, 22 Aug 2013, Joonsoo Kim wrote:
> And this patchset change a management method of free objects of a slab.
> Current free objects management method of the slab is weird, because
> it touch random position of the array of kmem_bufctl_t when we try to
> get free object. See following example.
There is two main topics in this patchset. One is to reduce memory usage
and the other is to change a management method of free objects of a slab.
The SLAB allocate a struct slab for each slab. The size of this structure
except bufctl array is 40 bytes on 64 bits machine. We can reduce memory
wast
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