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Subject[PATCH 1/5] slab: rename obj_reallen to obj_size
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Date

This patch renames the obj_reallen() function to obj_size() which makes the
code more readable.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
slab.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)
Index: 2.6/mm/slab.c
===================================================================
--- 2.6.orig/mm/slab.c
+++ 2.6/mm/slab.c
@@ -508,7 +508,7 @@ static int obj_dbghead(kmem_cache_t *cac
return cachep->dbghead;
}

-static int obj_reallen(kmem_cache_t *cachep)
+static int obj_size(kmem_cache_t *cachep)
{
return cachep->reallen;
}
@@ -536,7 +536,12 @@ static void **dbg_userword(kmem_cache_t
#else

#define obj_dbghead(x) 0
-#define obj_reallen(cachep) (cachep->objsize)
+
+static int obj_size(kmem_cache_t *cachep)
+{
+ return cachep->objsize;
+}
+
#define dbg_redzone1(cachep, objp) ({BUG(); (unsigned long *)NULL;})
#define dbg_redzone2(cachep, objp) ({BUG(); (unsigned long *)NULL;})
#define dbg_userword(cachep, objp) ({BUG(); (void **)NULL;})
@@ -1259,7 +1264,7 @@ static void kmem_rcu_free(struct rcu_hea
static void store_stackinfo(kmem_cache_t *cachep, unsigned long *addr,
unsigned long caller)
{
- int size = obj_reallen(cachep);
+ int size = obj_size(cachep);

addr = (unsigned long *)&((char*)addr)[obj_dbghead(cachep)];

@@ -1291,7 +1296,7 @@ static void store_stackinfo(kmem_cache_t

static void poison_obj(kmem_cache_t *cachep, void *addr, unsigned char val)
{
- int size = obj_reallen(cachep);
+ int size = obj_size(cachep);
addr = &((char*)addr)[obj_dbghead(cachep)];

memset(addr, val, size);
@@ -1330,7 +1335,7 @@ static void print_objinfo(kmem_cache_t *
printk("\n");
}
realobj = (char*)objp+obj_dbghead(cachep);
- size = obj_reallen(cachep);
+ size = obj_size(cachep);
for (i=0; i<size && lines;i+=16, lines--) {
int limit;
limit = 16;
@@ -1347,7 +1352,7 @@ static void check_poison_obj(kmem_cache_
int lines = 0;

realobj = (char*)objp+obj_dbghead(cachep);
- size = obj_reallen(cachep);
+ size = obj_size(cachep);

for (i=0;i<size;i++) {
char exp = POISON_FREE;
@@ -3069,7 +3074,7 @@ EXPORT_SYMBOL(free_percpu);

unsigned int kmem_cache_size(kmem_cache_t *cachep)
{
- return obj_reallen(cachep);
+ return obj_size(cachep);
}
EXPORT_SYMBOL(kmem_cache_size);

@@ -3607,7 +3612,7 @@ unsigned int ksize(const void *objp)
if (unlikely(objp == NULL))
return 0;

- return obj_reallen(page_get_cache(virt_to_page(objp)));
+ return obj_size(page_get_cache(virt_to_page(objp)));
}


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