Linux kernel bug fix: mm/thp: make is_huge_zero_pmd() safe and quicker
Subsystem: memory (mm/huge_memory.c)
Bug type: crash, severity: high
Files changed: include/linux/huge_mm.h;mm/huge_memory.c
Introduced by Naoya Horiguchi on 2018-04-20 17:18:35 -0700; fixed by Hugh Dickins on 2021-06-16 09:24:42 -0700 (lifetime: 1152 days)