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Subject[PATCH 3/5] slab: extract slabinfo header printing to separate function
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This patch extracts slabinfo header printing to a separate function
print_slabinfo_header() to make s_start() more readable.

Signed-off-by: Matthew Dobson <colpatch@us.ibm.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
slab.c | 45 +++++++++++++++++++++++++--------------------
1 file changed, 25 insertions(+), 20 deletions(-)
Index: 2.6/mm/slab.c
===================================================================
--- 2.6.orig/mm/slab.c
+++ 2.6/mm/slab.c
@@ -3369,32 +3369,37 @@ next:

#ifdef CONFIG_PROC_FS

-static void *s_start(struct seq_file *m, loff_t *pos)
+static inline void print_slabinfo_header(struct seq_file *m)
{
- loff_t n = *pos;
- struct list_head *p;
-
- down(&cache_chain_sem);
- if (!n) {
- /*
- * Output format version, so at least we can change it
- * without _too_ many complaints.
- */
+ /*
+ * Output format version, so at least we can change it
+ * without _too_ many complaints.
+ */
#if STATS
- seq_puts(m, "slabinfo - version: 2.1 (statistics)\n");
+ seq_puts(m, "slabinfo - version: 2.1 (statistics)\n");
#else
- seq_puts(m, "slabinfo - version: 2.1\n");
+ seq_puts(m, "slabinfo - version: 2.1\n");
#endif
- seq_puts(m, "# name <active_objs> <num_objs> <objsize> <objperslab> <pagesperslab>");
- seq_puts(m, " : tunables <limit> <batchcount> <sharedfactor>");
- seq_puts(m, " : slabdata <active_slabs> <num_slabs> <sharedavail>");
+ seq_puts(m, "# name <active_objs> <num_objs> <objsize> "
+ "<objperslab> <pagesperslab>");
+ seq_puts(m, " : tunables <limit> <batchcount> <sharedfactor>");
+ seq_puts(m, " : slabdata <active_slabs> <num_slabs> <sharedavail>");
#if STATS
- seq_puts(m, " : globalstat <listallocs> <maxobjs> <grown> <reaped>"
- " <error> <maxfreeable> <nodeallocs> <remotefrees>");
- seq_puts(m, " : cpustat <allochit> <allocmiss> <freehit> <freemiss>");
+ seq_puts(m, " : globalstat <listallocs> <maxobjs> <grown> <reaped> "
+ "<error> <maxfreeable> <nodeallocs> <remotefrees>");
+ seq_puts(m, " : cpustat <allochit> <allocmiss> <freehit> <freemiss>");
#endif
- seq_putc(m, '\n');
- }
+ seq_putc(m, '\n');
+}
+
+static void *s_start(struct seq_file *m, loff_t *pos)
+{
+ loff_t n = *pos;
+ struct list_head *p;
+
+ down(&cache_chain_sem);
+ if (!n)
+ print_slabinfo_header(m);
p = cache_chain.next;
while (n--) {
p = p->next;
-
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