Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756237AbWKRICh (ORCPT ); Sat, 18 Nov 2006 03:02:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756228AbWKRICh (ORCPT ); Sat, 18 Nov 2006 03:02:37 -0500 Received: from mx2.cs.washington.edu ([128.208.2.105]:52138 "EHLO mx2.cs.washington.edu") by vger.kernel.org with ESMTP id S1756237AbWKRICg (ORCPT ); Sat, 18 Nov 2006 03:02:36 -0500 Date: Sat, 18 Nov 2006 00:02:22 -0800 (PST) From: David Rientjes To: Linus Torvalds , Andrew Morton cc: Andi Kleen , Nick Piggin , Andre Noll , linux-kernel@vger.kernel.org Subject: [PATCH] mm: do not call bad_page on PG_reserved check In-Reply-To: <20061117204036.GK31879@stusta.de> Message-ID: References: <20061117204036.GK31879@stusta.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 968 Lines: 28 The return value of free_pages_check() indicates if PG_reserved was set. If so, the calling functions return immediately and no pages are freed so there is no need to call bad_page(). Cc: Andi Kleen Cc: Nick Piggin Signed-off-by: David Rientjes --- mm/page_alloc.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index bf2f6cf..99bc29d 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -439,7 +439,6 @@ static inline int free_pages_check(struc 1 << PG_slab | 1 << PG_swapcache | 1 << PG_writeback | - 1 << PG_reserved | 1 << PG_buddy )))) bad_page(page); if (PageDirty(page)) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/