Linux kernel bug fix: mm_zone: add function to check if managed dma zone exists
Subsystem: memory (mm/page_alloc.c)
Bug type: crash, severity: security
Files changed: include/linux/mmzone.h;mm/page_alloc.c
Introduced by Lianbo Jiang on 2019-11-14 13:54:33 +0100; fixed by Baoquan He on 2022-01-15 16:30:29 +0200 (lifetime: 793 days)