diff options
| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2008-09-02 14:35:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-09-02 19:21:38 -0700 |
| commit | 4b8561521dbaa3d766b198496b220e984e3bf756 (patch) | |
| tree | af96d2bd09d7a1e0349b4dbfc879e009a8ca13eb | |
| parent | 36fd71d293898a59b14e49da1f6e81c1a58f2035 (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>
| -rw-r--r-- | fs/proc/proc_misc.c | 7 | ||||
| -rw-r--r-- | include/linux/quicklist.h | 7 |
2 files changed, 12 insertions, 2 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index ded96986296..00f10a2dcf1 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -24,6 +24,7 @@ #include <linux/tty.h> #include <linux/string.h> #include <linux/mman.h> +#include <linux/quicklist.h> #include <linux/proc_fs.h> #include <linux/ioport.h> #include <linux/mm.h> @@ -189,7 +190,8 @@ static int meminfo_read_proc(char *page, char **start, off_t off, "Committed_AS: %8lu kB\n" "VmallocTotal: %8lu kB\n" "VmallocUsed: %8lu kB\n" - "VmallocChunk: %8lu kB\n", + "VmallocChunk: %8lu kB\n" + "Quicklists: %8lu kB\n", K(i.totalram), K(i.freeram), K(i.bufferram), @@ -221,7 +223,8 @@ static int meminfo_read_proc(char *page, char **start, off_t off, K(committed), (unsigned long)VMALLOC_TOTAL >> 10, vmi.used >> 10, - vmi.largest_chunk >> 10 + vmi.largest_chunk >> 10, + K(quicklist_total_size()) ); len += hugetlb_report_meminfo(page + len); 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 */ |