sysfs-kernel-mm-swap

 1What:		/sys/kernel/mm/swap/
 2Date:		August 2017
 3Contact:	Linux memory management mailing list <linux-mm@kvack.org>
 4Description:	Interface for swapping
 5
 6What:		/sys/kernel/mm/swap/vma_ra_enabled
 7Date:		August 2017
 8Contact:	Linux memory management mailing list <linux-mm@kvack.org>
 9Description:	Enable/disable VMA based swap readahead.
10
11		If set to true, the VMA based swap readahead algorithm
12		will be used for swappable anonymous pages mapped in a
13		VMA, and the global swap readahead algorithm will be
14		still used for tmpfs etc. other users.  If set to
15		false, the global swap readahead algorithm will be
16		used for all swappable pages.