On 02/29/2016 02:26 PM, Michal Hocko wrote:
From: Michal Hocko <[email protected]>Almost all current users of vm_munmap are ignoring the return value and so they do not handle potential error. This means that some VMAs
1 7834 arch/x86/kvm/x86.c <<__x86_set_memory_region>>
r = vm_munmap(old.userspace_addr, old.npages * PAGE_SIZE);
WARN_ON(r < 0);
This warning will potentially add noise to OOM output?

