From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3D2F28B5.5C7C227D@zip.com.au> Date: Fri, 12 Jul 2002 12:06:29 -0700 From: Andrew Morton MIME-Version: 1.0 Subject: Re: [PATCH] Optimize out pte_chain take three References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Paul Larson Cc: Rik van Riel , William Lee Irwin III , Dave McCracken , Linux Memory Management List-ID: Paul Larson wrote: > > I've tried booting this patch on 2.5.25+rmap on an 8-way, with highmem. I > got a loot of oops on boot (couldn't see the top one because it scrolled > off the screen) and I havn't had time to set it up with serial console yet > but I will. you could stick a `for(;;);' in arch/i386/kernel/traps.c:die() to stop the scrolling... I was using Dave's patch for several hours yesterday, no probs. > Before I do that though I wanted to know if there are any > known issues with my configuration. I vaguely remember someone mentioning > problems with multiple swap partitions a while back and that's what I have > > /etc/fstab: > /dev/sda5 swap swap defaults 0 0 > /dev/sda6 swap swap defaults 0 0 > /dev/sda7 swap swap defaults 0 0 > /dev/sda8 swap swap defaults 0 0 > /dev/sda9 swap swap defaults 0 0 > /dev/sda10 swap swap defaults 0 0 > /dev/sda11 swap swap defaults 0 0 > /dev/sda12 swap swap defaults 0 0 > > for a total of about 15GB swap. In theory the limits are: Max of 32 swapdevs Max of 64G per swapdev. I normally use two equal-priority disks for swap. Works OK, but I did considerable futzing in the swap code a while back so some bugs may have been added. - -- 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/