From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx186.postini.com [74.125.245.186]) by kanga.kvack.org (Postfix) with SMTP id BC4216B0031 for ; Thu, 12 Sep 2013 02:55:24 -0400 (EDT) Date: Thu, 12 Sep 2013 15:55:49 +0900 From: Joonsoo Kim Subject: Re: [PATCH 07/16] slab: overloading the RCU head over the LRU for RCU free Message-ID: <20130912065549.GC8055@lge.com> References: <1377161065-30552-1-git-send-email-iamjoonsoo.kim@lge.com> <1377161065-30552-8-git-send-email-iamjoonsoo.kim@lge.com> <000001410d765d3a-0f3f8df2-dccb-455a-a929-f1fd018700d2-000000@email.amazonses.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000001410d765d3a-0f3f8df2-dccb-455a-a929-f1fd018700d2-000000@email.amazonses.com> Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Pekka Enberg , Andrew Morton , David Rientjes , linux-mm@kvack.org, linux-kernel@vger.kernel.org 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 Thanks! -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org