From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752715Ab2LWUQt (ORCPT ); Sun, 23 Dec 2012 15:16:49 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:42637 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752624Ab2LWUQo (ORCPT ); Sun, 23 Dec 2012 15:16:44 -0500 From: Sasha Levin To: rientjes@google.com, Andrew Morton , Johannes Weiner , Michal Hocko , Gavin Shan , Sasha Levin , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] mm, sparse: don't check return value of alloc_bootmem calls Date: Sun, 23 Dec 2012 15:15:08 -0500 Message-Id: <1356293711-23864-3-git-send-email-sasha.levin@oracle.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1356293711-23864-1-git-send-email-sasha.levin@oracle.com> References: <1356293711-23864-1-git-send-email-sasha.levin@oracle.com> X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There's no need to check the result of alloc_bootmem() functions since they'll panic if allocation fails. Signed-off-by: Sasha Levin --- mm/sparse.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/mm/sparse.c b/mm/sparse.c index 72a0db6..949fb38 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -497,8 +497,6 @@ void __init sparse_init(void) */ size = sizeof(unsigned long *) * NR_MEM_SECTIONS; usemap_map = alloc_bootmem(size); - if (!usemap_map) - panic("can not allocate usemap_map\n"); for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) { struct mem_section *ms; @@ -538,8 +536,6 @@ void __init sparse_init(void) #ifdef CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER size2 = sizeof(struct page *) * NR_MEM_SECTIONS; map_map = alloc_bootmem(size2); - if (!map_map) - panic("can not allocate map_map\n"); for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) { struct mem_section *ms; -- 1.8.0