From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 7 Jul 2002 17:38:27 -0700 From: William Lee Irwin III Subject: Re: vm lock contention reduction Message-ID: <20020708003827.GC25360@holomorphy.com> References: <3D253DC9.545865D4@zip.com.au> <20020705073315.GU1227@dualathlon.random> <3D27AC81.FC72D08F@zip.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Description: brief message Content-Disposition: inline In-Reply-To: <3D27AC81.FC72D08F@zip.com.au> Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Andrea Arcangeli , Linus Torvalds , Rik van Riel , "linux-mm@kvack.org" , "Martin J. Bligh" List-ID: On Sat, Jul 06, 2002 at 07:50:41PM -0700, Andrew Morton wrote: > Any time you have one of these pages in use, the process gets > pinned onto the current CPU. If we run out of per-cpu kmaps, > just fall back to traditional kmap(). This is not particularly difficult, it only requires a depth counter and a saved cpumask for when it becomes unpinned again. Cheers, Bill -- 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/