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Slab API: remove useless ctor parameter and reorder parameters

Browse source 
Slab constructors currently have a flags parameter that is never used.  And
the order of the arguments is opposite to other slab functions.  The object
pointer is placed before the kmem_cache pointer.

Convert

        ctor(void *object, struct kmem_cache *s, unsigned long flags)

to

        ctor(struct kmem_cache *s, void *object)

throughout the kernel

[[email protected]: coupla fixes]
Signed-off-by: Christoph Lameter <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Christoph Lameter 2007-10-16 23:25:51 -07:00 • committed by Linus Torvalds
commit 4ba9b9d0ba
67 changed files with 83 additions and 99 deletions
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11
mm/slab.c
View file

@ -408,7 +408,7 @@ struct kmem_cache {
unsigned int dflags; /* dynamic flags */
/* constructor func */
void (*ctor) (void *, struct kmem_cache *, unsigned long);
void (*ctor)(struct kmem_cache *, void *);
/* 5) cache creation/removal */
const char *name;
@ -2129,7 +2129,7 @@ static int __init_refok setup_cpu_cache(struct kmem_cache *cachep)
struct kmem_cache *
kmem_cache_create (const char *name, size_t size, size_t align,
unsigned long flags,
void (*ctor)(void*, struct kmem_cache *, unsigned long))
void (*ctor)(struct kmem_cache *, void *))
{
size_t left_over, slab_size, ralign;
struct kmem_cache *cachep = NULL, *pc;
@ -2636,8 +2636,7 @@ static void cache_init_objs(struct kmem_cache *cachep,
* They must also be threaded.
*/
if (cachep->ctor && !(cachep->flags & SLAB_POISON))
cachep->ctor(objp + obj_offset(cachep), cachep,
0);
cachep->ctor(cachep, objp + obj_offset(cachep));
if (cachep->flags & SLAB_RED_ZONE) {
if (*dbg_redzone2(cachep, objp) != RED_INACTIVE)
@ -2653,7 +2652,7 @@ static void cache_init_objs(struct kmem_cache *cachep,
cachep->buffer_size / PAGE_SIZE, 0);
#else
if (cachep->ctor)
cachep->ctor(objp, cachep, 0);
cachep->ctor(cachep, objp);
#endif
slab_bufctl(slabp)[i] = i + 1;
}
@ -3078,7 +3077,7 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep,
#endif
objp += obj_offset(cachep);
if (cachep->ctor && cachep->flags & SLAB_POISON)
cachep->ctor(objp, cachep, 0);
cachep->ctor(cachep, objp);
#if ARCH_SLAB_MINALIGN
if ((u32)objp & (ARCH_SLAB_MINALIGN-1)) {
printk(KERN_ERR "0x%p: not aligned to ARCH_SLAB_MINALIGN=%d\n",