Linux kernel bug fix: mm: check pfn_valid first in zero_resv_unavail
Subsystem: memory (mm/page_alloc.c)
Bug type: crash, severity: high
Files changed: mm/page_alloc.c
Introduced by Pavel Tatashin on 2017-11-15 18:21:05 -0800; fixed by Dave Young on 2018-01-04 16:45:09 -0800 (lifetime: 49 days)