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authorChristoph Lameter <clameter@engr.sgi.com>2006-02-28 16:58:57 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-28 20:53:43 -0800
commit511030bcd24119fa3759ef3f914d354e107ef839 (patch)
tree707edb2c804ad6c42ffbd0ef6685b49e076f0dcd
parent5cf6c541f5b3902bdcc2d311d70f8e730aaff1be (diff)
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[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>
-rw-r--r--mm/mempolicy.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 67af4cea1e2..5643cfed6b0 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -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;