Linux kernel bug fix: mm/gup: fix gup_fast with dynamic page table folding
Subsystem: arch (arch/s390/include/asm/pgtable.h)
Bug type: crash, severity: critical
Files changed: arch/s390/include/asm/pgtable.h;include/linux/pgtable.h;mm/gup.c
Introduced by Martin Schwidefsky on 2019-04-23 16:30:04 +0200; fixed by Vasily Gorbik on 2020-09-26 10:33:57 -0700 (lifetime: 521 days)