linux-kernel - [PATCH] mm: exit.c reorder wait_opts to remove padding on 64 bit builds

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <1241966455.2724.11.camel@localhost.localdomain>
Date:	Sun, 10 May 2009 15:40:55 +0100
From:	Richard Kennedy <richard@....demon.co.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	lkml <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>
Subject: [PATCH] mm: exit.c reorder wait_opts to remove padding on 64 bit
 builds

reorder struct wait_opts to remove 8 bytes of alignment padding on 64
bit builds

Signed-off-by: Richard Kennedy <richard@....demon.co.uk>
---

Hi Andrew,
Oleg asked me to send you this patch against your tree.

patch against latest mmotm.git.
successfully compiled but has had no other testing.

regards
Richard


diff --git a/kernel/exit.c b/kernel/exit.c
index 6e8c9fd..576e626 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1080,8 +1080,8 @@ SYSCALL_DEFINE1(exit_group, int, error_code)
 
 struct wait_opts {
 	enum pid_type		wo_type;
-	struct pid		*wo_pid;
 	int			wo_flags;
+	struct pid		*wo_pid;
 
 	struct siginfo __user	*wo_info;
 	int __user		*wo_stat;


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/