From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Stephen C. Tweedie" MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <14338.25285.780802.755159@dukat.scot.redhat.com> Date: Mon, 11 Oct 1999 23:20:53 +0100 (BST) Subject: Re: locking question: do_mmap(), do_munmap() In-Reply-To: References: <14338.17669.163923.174022@dukat.scot.redhat.com> Sender: owner-linux-mm@kvack.org Return-Path: To: Alexander Viro Cc: "Stephen C. Tweedie" , Manfred Spraul , Andrea Arcangeli , linux-kernel@vger.rutgers.edu, Ingo Molnar , linux-mm@kvack.org List-ID: Hi, On Mon, 11 Oct 1999 17:40:52 -0400 (EDT), Alexander Viro said: > Agreed, but the big lock does not (and IMHO should not) cover the vma list > modifications. Fine, but as I've said you need _something_. It doesn't matter what, but the fact that the kernel lock is no longer being held for vma updates has introduced swapper races. We can't fix those without either restoring or replacing the big lock. --Stephen -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://humbolt.geo.uu.nl/Linux-MM/