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yaml
---
r: 55287
b: refs/heads/master
c: 02cbc87
h: refs/heads/master
i:
  55285: 8778ea1
  55283: 7840888
  55279: 55b2304
v: v3
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Christoph Lameter authored and Linus Torvalds committed May 9, 2007
1 parent e893649 commit 4585f9f
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Showing 2 changed files with 30 additions and 30 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 636f0d7de8dc0282cce9905e035c04dd60db19dd
refs/heads/master: 02cbc874463924de2c3403379b698bce3cd277a5
58 changes: 29 additions & 29 deletions trunk/mm/slub.c
Original file line number Diff line number Diff line change
Expand Up @@ -195,6 +195,18 @@ static enum {
static DECLARE_RWSEM(slub_lock);
LIST_HEAD(slab_caches);

/*
* Tracking user of a slab.
*/
struct track {
void *addr; /* Called from address */
int cpu; /* Was running on cpu */
int pid; /* Pid context */
unsigned long when; /* When did the operation occur */
};

enum track_item { TRACK_ALLOC, TRACK_FREE };

#ifdef CONFIG_SYSFS
static int sysfs_slab_add(struct kmem_cache *);
static int sysfs_slab_alias(struct kmem_cache *, const char *);
Expand Down Expand Up @@ -223,6 +235,23 @@ static inline struct kmem_cache_node *get_node(struct kmem_cache *s, int node)
#endif
}

static inline int check_valid_pointer(struct kmem_cache *s,
struct page *page, const void *object)
{
void *base;

if (!object)
return 1;

base = page_address(page);
if (object < base || object >= base + s->objects * s->size ||
(object - base) % s->size) {
return 0;
}

return 1;
}

/*
* Slow version of get and set free pointer.
*
Expand Down Expand Up @@ -290,18 +319,6 @@ static void print_section(char *text, u8 *addr, unsigned int length)
}
}

/*
* Tracking user of a slab.
*/
struct track {
void *addr; /* Called from address */
int cpu; /* Was running on cpu */
int pid; /* Pid context */
unsigned long when; /* When did the operation occur */
};

enum track_item { TRACK_ALLOC, TRACK_FREE };

static struct track *get_track(struct kmem_cache *s, void *object,
enum track_item alloc)
{
Expand Down Expand Up @@ -436,23 +453,6 @@ static int check_bytes(u8 *start, unsigned int value, unsigned int bytes)
return 1;
}

static inline int check_valid_pointer(struct kmem_cache *s,
struct page *page, const void *object)
{
void *base;

if (!object)
return 1;

base = page_address(page);
if (object < base || object >= base + s->objects * s->size ||
(object - base) % s->size) {
return 0;
}

return 1;
}

/*
* Object layout:
*
Expand Down

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