From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Theodore Ts'o" Subject: Need to potentially watch stack usage for ext4 and AIO... Date: Fri, 19 Jun 2009 13:59:23 -0400 Message-ID: To: linux-ext4@vger.kernel.org Return-path: Received: from THUNK.ORG ([69.25.196.29]:34261 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751767AbZFSR7c (ORCPT ); Fri, 19 Jun 2009 13:59:32 -0400 Sender: linux-ext4-owner@vger.kernel.org List-ID: On a 32-bit system, while running aio-stress, I got the following kernel message: aio-stress used greatest stack depth: 372 bytes left That's a bit close for comfort; we may want to see if we have some especially piggy on-stack allocations on the AIO code paths. - Ted