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| author | Fengguang Wu <fengguang.wu@intel.com> | 2019-04-24 11:05:07 +0800 |
|---|---|---|
| committer | Fengguang Wu <fengguang.wu@intel.com> | 2019-04-24 11:05:07 +0800 |
| commit | 33f73d656ecd9bb954edca01232c60e8b44b626d (patch) | |
| tree | 57adb3e6e9cefcd8637cad9bc3b1fa3e3b4a2e7c | |
| parent | 085b7755808aa11f78ab9377257e1dad2e6fa4bb (diff) | |
| download | linux-page-cache-migrate.tar.gz | |
vmstat: introduce nr_accessedpage-cache-migrate
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
| -rw-r--r-- | include/linux/mmzone.h | 1 | ||||
| -rw-r--r-- | mm/swap.c | 2 | ||||
| -rw-r--r-- | mm/vmstat.c | 1 |
3 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index fba7741533bec..7eabcf7e2eed9 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -182,6 +182,7 @@ enum node_stat_item { NR_VMSCAN_IMMEDIATE, /* Prioritise for reclaim when writeback ends */ NR_DIRTIED, /* page dirtyings since bootup */ NR_WRITTEN, /* page writings since bootup */ + NR_ACCESSED, NR_KERNEL_MISC_RECLAIMABLE, /* reclaimable non-slab kernel pages */ NR_VM_NODE_STAT_ITEMS }; diff --git a/mm/swap.c b/mm/swap.c index 301ed4e043205..1ec6daec6e179 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -371,6 +371,8 @@ static void __lru_cache_activate_page(struct page *page) void mark_page_accessed(struct page *page) { page = compound_head(page); + inc_node_page_state(page, NR_ACCESSED); + if (!PageActive(page) && !PageUnevictable(page) && PageReferenced(page)) { diff --git a/mm/vmstat.c b/mm/vmstat.c index a7d493366a65b..d9efdb8bff6a9 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1163,6 +1163,7 @@ const char * const vmstat_text[] = { "nr_vmscan_immediate_reclaim", "nr_dirtied", "nr_written", + "nr_accessed", "nr_kernel_misc_reclaimable", /* enum writeback_stat_item counters */ |