From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 8 Jun 2007 14:26:10 -0700 From: William Lee Irwin III Subject: Re: [PATCH 00 of 16] OOM related fixes Message-ID: <20070608212610.GA11773@holomorphy.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org Return-Path: To: Andrea Arcangeli Cc: linux-mm@kvack.org List-ID: On Fri, Jun 08, 2007 at 10:02:58PM +0200, Andrea Arcangeli wrote: > Hello everyone, > this is a set of fixes done in the context of a quite evil workload reading > from nfs large files with big read buffers in parallel from many tasks at > the same time until the system goes oom. Mostly all of these fixes seems to be > required to fix the customer workload on top of an older sles kernel. The > forward port of the fixes has been already tested successfully on similar evil > workloads. > mainline vanilla running a somewhat simulated workload: [...] Interesting. This seems to demonstrate a need for file IO to handle fatal signals, beyond just people wanting faster responses to kill -9. Perhaps it's the case that fatal signals should always be handled, and there should be no waiting primitives excluding them. __GFP_NOFAIL is also "interesting." -- wli -- 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/ . Don't email: email@kvack.org