Commits
Linus Torvalds committed 5528f9132cf
mm: fix missing page table unmap for stack guard page failure case .. which didn't show up in my tests because it's a no-op on x86-64 and most other architectures. But we enter the function with the last-level page table mapped, and should unmap it at exit. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>