Commit 511030bc authored Feb 28, 2006 by Christoph Lameter Committed by Linus Torvalds Feb 28, 2006

[PATCH] Fix sys_migrate_pages: Move all pages when invoked from root



Currently sys_migrate_pages only moves pages belonging to a process.  This
is okay when invoked from a regular user.  But if invoked from root it
should move all pages as documented in the migrate_pages manpage.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 5cf6c541

mm/mempolicy.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -954,7 +954,8 @@ asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
		goto out;
		}

		err = do_migrate_pages(mm, &old, &new, MPOL_MF_MOVE);
		err = do_migrate_pages(mm, &old, &new,
		capable(CAP_SYS_ADMIN) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE);
		out:
		mmput(mm);
		return err;