[lkml]   [2013]   [Sep]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 07/16] slab: overloading the RCU head over the LRU for RCU free
On Wed, Sep 11, 2013 at 02:39:22PM +0000, Christoph Lameter wrote:
> On Thu, 22 Aug 2013, Joonsoo Kim wrote:
> > With build-time size checking, we can overload the RCU head over the LRU
> > of struct page to free pages of a slab in rcu context. This really help to
> > implement to overload the struct slab over the struct page and this
> > eventually reduce memory usage and cache footprint of the SLAB.
> Looks fine to me. Can you add the rcu_head to the struct page union? This
> kind of overload is used frequently elsewhere as well. Then cleanup other
> cases of such uses (such as in SLUB).

Okay. But I will implement it seprately because I don't know where the cases
are now and some inverstigation would be needed.

> Acked-by: Christoph Lameter <>


 \ /
  Last update: 2013-09-12 09:41    [W:0.133 / U:1.420 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site