Lines Matching refs:idle
3 The idle page tracking feature allows to track which memory pages are being
4 accessed by a workload and which are idle. This information can be useful for
13 The idle page tracking API is located at /sys/kernel/mm/page_idle. Currently,
19 set, the corresponding page is idle.
21 A page is considered idle if it has not been accessed since it was marked idle
23 DETAILS section). To mark a page idle one has to set the bit corresponding to
29 page types (e.g. SLAB pages) an attempt to mark a page idle is silently ignored,
30 and hence such pages are never reported idle.
32 For huge pages the idle flag is set only on the head page, so one has to read
33 /proc/kpageflags in order to correctly count idle huge pages.
43 1. Mark all the workload's pages as idle by setting corresponding bits in
79 The idle memory tracking feature adds a new page flag, the Idle flag. This flag
84 When a page is marked idle, the Accessed bit must be cleared in all PTEs it is
93 Since the idle memory tracking feature is based on the memory reclaimer logic,
97 result noticeably. In order not to stall scanning of the idle page bitmap,