On Tue, 25 Jul 2017 09:51:46 +0800 "Huang, Ying" <[email protected]> wrote:
> The swap cache stats could be gotten only via sysrq, which isn't > convenient in some situation. So the sysfs interface of swap cache > stats is added for that. The added sysfs directories/files are as > follow, > > /sys/kernel/mm/swap > /sys/kernel/mm/swap/cache_find_total > /sys/kernel/mm/swap/cache_find_success > /sys/kernel/mm/swap/cache_add > /sys/kernel/mm/swap/cache_del > /sys/kernel/mm/swap/cache_pages We should document this somewhere. Documentation/ABI/ is the formal place for sysfs files, but nobody will think to look there for VM things, so perhaps place a pointer to the Documentation/ABI/ files within Documentation/vm somewhere, only there isn't an appropriate Documentation/vm file ;) Or just put all these things in debugfs. These are pretty specialized things and appear to be developer-only files of short-term interest?
