From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 25 Sep 2000 17:10:43 +0200 (CEST) From: Ingo Molnar Reply-To: mingo@elte.hu Subject: Re: the new VM In-Reply-To: <20000925170113.S22882@athlon.random> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Andrea Arcangeli Cc: Marcelo Tosatti , Linus Torvalds , Rik van Riel , Roger Larsson , MM mailing list , linux-kernel@vger.kernel.org List-ID: On Mon, 25 Sep 2000, Andrea Arcangeli wrote: > Signal can be trapped and ignored by malicious task. [...] a SIGKILL? i agree with the 2.2 solution - first a soft signal, and if it's being ignored then a SIGKILL. > But my question isn't what you do when you're OOM, but is _how_ do you > notice that you're OOM? good question :-) > In the GFP_USER case simply checking when GFP fails looks right to me. i think the GFP_USER case should do the oom logic within __alloc_pages(), by SIGTERM/SIGKILL-ing off abusive processes. Ie. it's *still* an infinite loop (barring the case where *this* process is abusive, but thats a detail). Ingo -- 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/