Messages in this thread | | | Subject | Re: SLUB regression in current Linus | From | Eric Dumazet <> | Date | Wed, 25 May 2011 17:45:41 +0200 |
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Le mercredi 25 mai 2011 à 10:04 -0500, Christoph Lameter a écrit : > On Wed, 25 May 2011, Linus Torvalds wrote: > > > On Wed, May 25, 2011 at 7:47 AM, Christoph Lameter <cl@linux.com> wrote: > > > > > > So simply return the object. In the debug case we do not need all the other > > > processing that unlock_out: does. > > > > So that patch looks like it should explain things. > > > > But exactly why don't we need the ->tid update and the ALLOC_SLOWPATH > > stats? Both of them would seem to be equally valid for the debug case. > > We always fall back to the slow path in the debug case. So the tid update > is useless.
tid change is updated anyway at the end of deactivate_slab()
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