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authorAndrea Arcangeli <aarcange@redhat.com>2011-02-15 19:02:45 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-15 15:21:11 -0800
commita7d6e4ecdb7648478ddec76d30d87d03d6e22b31 (patch)
tree1e0110780ac0a8eeef2629e1d5880602bd6003c0 /drivers/edac/edac_mc.c
parent09f586b35d8503b57de1e0e9b19bc6b38e0d7319 (diff)
thp: prevent hugepages during args/env copying into the user stack
Transparent hugepages can only be created if rmap is fully functional. So we must prevent hugepages to be created while is_vma_temporary_stack() is true. This also optmizes away some harmless but unnecessary setting of khugepaged_scan.address and it switches some BUG_ON to VM_BUG_ON. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/edac/edac_mc.c')
0 files changed, 0 insertions, 0 deletions