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

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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>
This commit is contained in:
Christoph Lameter 2006-02-28 16:58:57 -08:00 committed by Linus Torvalds
parent 5cf6c541f5
commit 511030bcd2
1 changed files with 2 additions and 1 deletions
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3
mm/mempolicy.c
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@ -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;