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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2008-09-02 14:35:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-09-02 19:21:38 -0700
commit4b8561521dbaa3d766b198496b220e984e3bf756 (patch)
treeaf96d2bd09d7a1e0349b4dbfc879e009a8ca13eb /include
parent36fd71d293898a59b14e49da1f6e81c1a58f2035 (diff)
mm: show quicklist usage in /proc/meminfo
Quicklists can consume several GB of memory. We should provide a means of monitoring this. After this patch is applied, /proc/meminfo will output the following: % cat /proc/meminfo MemTotal: 7715392 kB MemFree: 5401600 kB Buffers: 80384 kB Cached: 300800 kB SwapCached: 0 kB Active: 235584 kB Inactive: 262656 kB SwapTotal: 2031488 kB SwapFree: 2031488 kB Dirty: 3520 kB Writeback: 0 kB AnonPages: 117696 kB Mapped: 38528 kB Slab: 1589952 kB SReclaimable: 23104 kB SUnreclaim: 1566848 kB PageTables: 14656 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 5889152 kB Committed_AS: 393152 kB VmallocTotal: 17592177655808 kB VmallocUsed: 29056 kB VmallocChunk: 17592177626432 kB Quicklists: 130944 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 262144 kB Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Keiichiro Tokunaga <tokunaga.keiich@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/quicklist.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/quicklist.h b/include/linux/quicklist.h
index 39b66713a0b..bd466439c58 100644
--- a/include/linux/quicklist.h
+++ b/include/linux/quicklist.h
@@ -80,6 +80,13 @@ void quicklist_trim(int nr, void (*dtor)(void *),
unsigned long quicklist_total_size(void);
+#else
+
+static inline unsigned long quicklist_total_size(void)
+{
+ return 0;
+}
+
#endif
#endif /* LINUX_QUICKLIST_H */