tree 76c15db91609ad3355add2a6f23823ea27cf920d
parent 297c5eee372478fc32fec5fe8eed711eedb13f3d
author Linus Torvalds <torvalds@linux-foundation.org> 1282347565 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1282405790 -0700

mm: make the mlock() stack guard page checks stricter

If we've split the stack vma, only the lowest one has the guard page.
Now that we have a doubly linked list of vma's, checking this is trivial.

Tested-by: Ian Campbell <ijc@hellion.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>