From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 12 Oct 2000 21:25:47 -0700 Message-Id: <200010130425.VAA11538@pizda.ninka.net> From: "David S. Miller" In-reply-to: <20001013123430.A8823@saw.sw.com.sg> (message from Andrey Savochkin on Fri, 13 Oct 2000 12:34:30 +0800) Subject: Re: Updated Linux 2.4 Status/TODO List (from the ALS show) References: <20001013123430.A8823@saw.sw.com.sg> Sender: owner-linux-mm@kvack.org Return-Path: To: saw@saw.sw.com.sg Cc: davej@suse.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, tytso@mit.edu, torvalds@transmeta.com List-ID: page_table_lock is supposed to protect normal page table activity (like what's done in page fault handler) from swapping out. However, grabbing this lock in swap-out code is completely missing! Audrey, vmlist_access_{un,}lock == unlocking/locking page_table_lock. You've totally missed this and thus your suggested-patch/analysis needs to be reevaluated :-) Later, David S. Miller davem@redhat.com -- 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.eu.org/Linux-MM/