Hi Support for unaccepted memory was added recently, refer commit dcdfdd40fa82 ("mm: Add support for unaccepted memory"), whereby a virtual machine may need to accept memory before it can be used. Plug a few gaps where RAM is exposed without checking if it is unaccepted memory. Adrian Hunter (3): proc/vmcore: Do not map unaccepted memory proc/kcore: Do not map unaccepted memory /dev/mem: Do not map unaccepted memory drivers/char/mem.c | 9 +++++++-- fs/proc/kcore.c | 10 +++++++++- fs/proc/vmcore.c | 15 ++++++++++++--- 3 files changed, 28 insertions(+), 6 deletions(-) Regards Adrian