linux-kernel - [PATCH] selinux: reorder inode_security_struct to increase objs/slab on 64bit

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>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1211110377.3021.8.camel@castor.localdomain>
Date:	Sun, 18 May 2008 12:32:57 +0100
From:	Richard Kennedy <richard@....demon.co.uk>
To:	sds@...ho.nsa.gov, jmorris@...ei.org
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] selinux: reorder inode_security_struct to increase
	objs/slab on 64bit

reorder inode_security_struct to remove padding on 64 bit builds
    
size reduced from 72 to 64 bytes increasing objects per slab to 64.
        
Signed-off-by: Richard Kennedy <richard@....demon.co.uk>

---
This patch is against 2.6.26-r2 & boots successfully on my AMD64
desktop.


Richard



diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index 032c235..5f0be19 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -43,8 +43,8 @@ struct inode_security_struct {
 	u32 sid;		/* SID of this object */
 	u16 sclass;		/* security class of this object */
 	unsigned char initialized;	/* initialization flag */
-	struct mutex lock;
 	unsigned char inherit;	/* inherit SID from parent entry */
+	struct mutex lock;
 };
 
 struct file_security_struct {


--
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/