[PATCH 3.10 17/31] mm: Fix NULL pointer dereference in madvise(MADV_WILLNEED) support

3.10-stable review patch. If anyone has any objections, please let me know. -- From: "Kirill A. Shutemov" commit ee53664bda169f519ce3c6a22d378f0b946c8178 upstream. Sasha Levin found a NULL pointer dereference that is due to a missing page table lock, which in turn is due to

[PATCH 3.10 17/31] mm: Fix NULL pointer dereference in madvise(MADV_WILLNEED) support

3.10-stable review patch. If anyone has any objections, please let me know. -- From: Kirill A. Shutemov kirill.shute...@linux.intel.com commit ee53664bda169f519ce3c6a22d378f0b946c8178 upstream. Sasha Levin found a NULL pointer dereference that is due to a missing page table