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[PATCH] SELinux: add security_task_movememory calls to mm code

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This patch inserts security_task_movememory hook calls into memory management
code to enable security modules to mediate this operation between tasks.

Since the last posting, the hook has been renamed following feedback from
Christoph Lameter.

Signed-off-by: David Quigley <dpquigl@tycho.nsa.gov>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
Cc: Andi Kleen <ak@muc.de>
Acked-by: Christoph Lameter <clameter@sgi.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
David Quigley
2006-06-23 02:04:02 -07:00
committed by Linus Torvalds
parent 35601547ba
commit 86c3a7645c
2 changed files with 11 additions and 0 deletions
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5
mm/mempolicy.c
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@@ -88,6 +88,7 @@
#include <linux/proc_fs.h>
#include <linux/migrate.h>
#include <linux/rmap.h>
#include <linux/security.h>
#include <asm/tlbflush.h>
#include <asm/uaccess.h>
@@ -942,6 +943,10 @@ asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
goto out;
}
err = security_task_movememory(task);
if (err)
goto out;
err = do_migrate_pages(mm, &old, &new,
capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE);
out: