From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 14 Dec 1999 11:13:51 +0100 From: Jakub Jelinek Subject: Re: 2.3 Pagedir allocation/free and update races Message-ID: <19991214111351.U822@mff.cuni.cz> References: <199912140946.BAA07601@google.engr.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <199912140946.BAA07601@google.engr.sgi.com>; from Kanoj Sarcar on Tue, Dec 14, 1999 at 01:46:00AM -0800 Sender: owner-linux-mm@kvack.org Return-Path: To: Kanoj Sarcar Cc: linux-kernel@vger.rutgers.edu, linux-mm@kvack.org List-ID: On Tue, Dec 14, 1999 at 01:46:00AM -0800, Kanoj Sarcar wrote: > This note describes races in the procedures that allocate and free > user level page directories. Platform code maintainers, please > read. pgd_alloc/free are never invoked from interrupts and the kernel code is not preemptive, so per-CPU caches are safe, aren't they? Cheers, Jakub ___________________________________________________________________ Jakub Jelinek | jakub@redhat.com | http://sunsite.mff.cuni.cz/~jj Linux version 2.3.26 on a sparc64 machine (1343.49 BogoMips) ___________________________________________________________________ -- 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/