thp is only present from 2.6.38-rc1 onwards
** Description changed:
- Placeholder
+ 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.
** Changed in: linux (Ubuntu Hardy)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/785972
Title:
CVE-2011-0999
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