| Age | Commit message (Collapse) | Author | Files | Lines | |
|---|---|---|---|---|---|
| 2015-09-10 | proc: export idle flag via kpageflags | Vladimir Davydov | 1 | -0/+1 | |
| As noted by Minchan, a benefit of reading idle flag from /proc/kpageflags is that one can easily filter dirty and/or unevictable pages while estimating the size of unused memory. Note that idle flag read from /proc/kpageflags may be stale in case the page was accessed via a PTE, because it would be too costly to iterate over all page mappings on each /proc/kpageflags read to provide an up-to-date value. To make sure the flag is up-to-date one has to read /sys/kernel/mm/page_idle/bitmap first. Signed-off-by: Vladimir Davydov <[email protected]> Reviewed-by: Andres Lagar-Cavilla <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Raghavendra K T <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Greg Thelen <[email protected]> Cc: Michel Lespinasse <[email protected]> Cc: David Rientjes <[email protected]> Cc: Pavel Emelyanov <[email protected]> Cc: Cyrill Gorcunov <[email protected]> Cc: Jonathan Corbet <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> | |||||
| 2015-02-11 | mm:add KPF_ZERO_PAGE flag for /proc/kpageflags | Wang, Yalin | 1 | -0/+1 | |
| Add KPF_ZERO_PAGE flag for zero_page, so that userspace processes can detect zero_page in /proc/kpageflags, and then do memory analysis more accurately. Signed-off-by: Yalin Wang <[email protected]> Acked-by: Kirill A. Shutemov <[email protected]> Cc: Konstantin Khlebnikov <[email protected]> Cc: Naoya Horiguchi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> | |||||
| 2014-10-09 | mm/balloon_compaction: add vmstat counters and kpageflags bit | Konstantin Khlebnikov | 1 | -0/+1 | |
| Always mark pages with PageBalloon even if balloon compaction is disabled and expose this mark in /proc/kpageflags as KPF_BALLOON. Also this patch adds three counters into /proc/vmstat: "balloon_inflate", "balloon_deflate" and "balloon_migrate". They accumulate balloon activity. Current size of balloon is (balloon_inflate - balloon_deflate) pages. All generic balloon code now gathered under option CONFIG_MEMORY_BALLOON. It should be selected by ballooning driver which wants use this feature. Currently virtio-balloon is the only user. Signed-off-by: Konstantin Khlebnikov <[email protected]> Cc: Rafael Aquini <[email protected]> Cc: Andrey Ryabinin <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> | |||||
| 2012-10-13 | UAPI: (Scripted) Disintegrate include/linux | David Howells | 1 | -0/+36 | |
| Signed-off-by: David Howells <[email protected]> Acked-by: Arnd Bergmann <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Acked-by: Michael Kerrisk <[email protected]> Acked-by: Paul E. McKenney <[email protected]> Acked-by: Dave Jones <[email protected]> | |||||