From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx140.postini.com [74.125.245.140]) by kanga.kvack.org (Postfix) with SMTP id 297816B004D for ; Mon, 12 Nov 2012 20:10:37 -0500 (EST) Date: Mon, 12 Nov 2012 20:10:27 -0500 From: Johannes Weiner Subject: Re: [PATCH 4/4] bootmem: fix wrong call parameter for free_bootmem() Message-ID: <20121113011027.GE10092@cmpxchg.org> References: <1352737915-30906-1-git-send-email-js1304@gmail.com> <1352737915-30906-4-git-send-email-js1304@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1352737915-30906-4-git-send-email-js1304@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Joonsoo Kim Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Benjamin Herrenschmidt On Tue, Nov 13, 2012 at 01:31:55AM +0900, Joonsoo Kim wrote: > It is somehow strange that alloc_bootmem return virtual address > and free_bootmem require physical address. > Anyway, free_bootmem()'s first parameter should be physical address. > > There are some call sites for free_bootmem() with virtual address. > So fix them. > > Cc: Andrew Morton > Cc: Benjamin Herrenschmidt > Signed-off-by: Joonsoo Kim Found another one, attached below. The free_bootmem() in arch/powerpc/platforms/82xx/pq2ads-pci-pic.c looks also fishy, since it's applied to memory from kzalloc(). Ben? Signed-off-by: Johannes Weiner --- diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 7d5a6b4..1963680 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -565,7 +565,7 @@ int __init smu_init (void) fail_db_node: of_node_put(smu->db_node); fail_bootmem: - free_bootmem((unsigned long)smu, sizeof(struct smu_device)); + free_bootmem(__pa(smu), sizeof(struct smu_device)); smu = NULL; fail_np: of_node_put(np); -- 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