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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-22 19:34:09 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-22 19:34:09 +0100
commitf20e3b5fe7ead0615309433260b9784d8da0bbbd (patch)
treeeabb2e47a0355ac4e8024b7087b4e7cb9f324358 /include/linux/vmstat.h
parentbcbfe664e7af019e698cef2feb85ac2b4f1ac11d (diff)
parentf030d7b65e4e6399f23de2a41a58d1b607b6bd89 (diff)
downloadblackbird-op-linux-f20e3b5fe7ead0615309433260b9784d8da0bbbd.tar.gz
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Merge branch 'for-rmk' of git://git.android.com/kernel into devel
Diffstat (limited to 'include/linux/vmstat.h')
-rw-r--r--include/linux/vmstat.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 58334d439516..9cd3ab0f554d 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -41,6 +41,16 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
#ifdef CONFIG_HUGETLB_PAGE
HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
#endif
+#ifdef CONFIG_UNEVICTABLE_LRU
+ UNEVICTABLE_PGCULLED, /* culled to noreclaim list */
+ UNEVICTABLE_PGSCANNED, /* scanned for reclaimability */
+ UNEVICTABLE_PGRESCUED, /* rescued from noreclaim list */
+ UNEVICTABLE_PGMLOCKED,
+ UNEVICTABLE_PGMUNLOCKED,
+ UNEVICTABLE_PGCLEARED, /* on COW, page truncate */
+ UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
+ UNEVICTABLE_MLOCKFREED,
+#endif
NR_VM_EVENT_ITEMS
};
@@ -159,6 +169,16 @@ static inline unsigned long zone_page_state(struct zone *zone,
return x;
}
+extern unsigned long global_lru_pages(void);
+
+static inline unsigned long zone_lru_pages(struct zone *zone)
+{
+ return (zone_page_state(zone, NR_ACTIVE_ANON)
+ + zone_page_state(zone, NR_ACTIVE_FILE)
+ + zone_page_state(zone, NR_INACTIVE_ANON)
+ + zone_page_state(zone, NR_INACTIVE_FILE));
+}
+
#ifdef CONFIG_NUMA
/*
* Determine the per node value of a stat item. This function
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