On Mon 23-05-16 20:14:11, Ebru Akagunduz wrote: > Currently khugepaged makes swapin readahead under > down_write. This patch supplies to make swapin > readahead under down_read instead of down_write.
You are still keeping down_write. Can we do without it altogether? Blocking mmap_sem of a remote proces for write is certainly not nice. -- Michal Hocko SUSE Labs
