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authorMichal Hocko <mhocko@suse.cz>2011-06-15 15:08:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-06-15 20:03:59 -0700
commit7f81c8890c15a10f5220bebae3b6dfae4961962a (patch)
tree264cb58ffbadb340ce713420a44c00d59fda4e7a /Documentation
parentb0825ee3a8c570df4873ee397fa453e67fdad5d7 (diff)
fs/exec.c: use BUILD_BUG_ON for VM_STACK_FLAGS & VM_STACK_INCOMPLETE_SETUP
Commit a8bef8ff6ea1 ("mm: migration: avoid race between shift_arg_pages() and rmap_walk() during migration by not migrating temporary stacks") introduced a BUG_ON() to ensure that VM_STACK_FLAGS and VM_STACK_INCOMPLETE_SETUP do not overlap. The check is a compile time one, so BUILD_BUG_ON is more appropriate. Signed-off-by: Michal Hocko <mhocko@suse.cz> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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