From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 14 Sep 2006 17:19:16 -0700 (PDT) From: Linus Torvalds Subject: Re: [RFC] page fault retry with NOPAGE_RETRY In-Reply-To: <1158274508.14473.88.camel@localhost.localdomain> Message-ID: References: <1158274508.14473.88.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Benjamin Herrenschmidt Cc: linux-mm@kvack.org, Linux Kernel list List-ID: On Fri, 15 Sep 2006, Benjamin Herrenschmidt wrote: > > This wait is interruptible. However, we have no way to fail "gracefully" > from no_page() if the routine we use underneath returns a failure due to > a signal (we use, logically, -EINTR). It's a generic issue with no_page > handlers. They can either wait non-interruptibly, or fail with a sigbus > or oom result. I certainly personally have nothing against adding a NOPAGE_RETRY, it seems very straightforward. Linus -- 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