Linux kernel bug fix: mm/devm_memremap_pages: fix final page put race
Subsystem: drivers (tools/testing/nvdimm/test/iomap.c)
Bug type: refcount, severity: high
Files changed: drivers/dax/device.c;drivers/nvdimm/pmem.c;drivers/pci/p2pdma.c;include/linux/memremap.h;kernel/memremap.c;mm/hmm.c;tools/testing/nvdimm/test/iomap.c
Introduced by Christoph Hellwig on 2015-08-27 19:40:58 -0400; fixed by Dan Williams on 2019-06-13 17:34:56 -1000 (lifetime: 1385 days)