From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 18 May 2005 22:25:25 -0400 (EDT) From: Rik van Riel Subject: Re: [PATCH] prevent NULL mmap in topdown model In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Wed, 18 May 2005, Linus Torvalds wrote: > Why not just change the "addr >= len" test into "addr > len" and be done > with it? If you're fine with not catching dereferences of a struct member further than PAGE_SIZE into a struct when the struct pointer is NULL, sure ... -- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." - Brian W. Kernighan -- 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: aart@kvack.org