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SL*B: drop kmem cache argument from constructor

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Kmem cache passed to constructor is only needed for constructors that are
themselves multiplexeres.  Nobody uses this "feature", nor does anybody uses
passed kmem cache in non-trivial way, so pass only pointer to object.

Non-trivial places are:
	arch/powerpc/mm/init_64.c
	arch/powerpc/mm/hugetlbpage.c

This is flag day, yes.

Signed-off-by: Alexey Dobriyan <[email protected]>
Acked-by: Pekka Enberg <[email protected]>
Acked-by: Christoph Lameter <[email protected]>
Cc: Jon Tollefson <[email protected]>
Cc: Nick Piggin <[email protected]>
Cc: Matt Mackall <[email protected]>
[[email protected]: fix arch/powerpc/mm/hugetlbpage.c]
[[email protected]: fix mm/slab.c]
[[email protected]: fix ubifs]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alexey Dobriyan 2008-07-25 19:45:34 -07:00 • committed by Linus Torvalds
commit 51cc50685a
67 changed files with 90 additions and 106 deletions
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11
mm/slab.c
View file

@ -406,7 +406,7 @@ struct kmem_cache {
unsigned int dflags; /* dynamic flags */
/* constructor func */
void (*ctor)(struct kmem_cache *, void *);
void (*ctor)(void *obj);
/* 5) cache creation/removal */
const char *name;
@ -2137,8 +2137,7 @@ 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)(struct kmem_cache *, void *))
unsigned long flags, void (*ctor)(void *))
{
size_t left_over, slab_size, ralign;
struct kmem_cache *cachep = NULL, *pc;
@ -2653,7 +2652,7 @@ static void cache_init_objs(struct kmem_cache *cachep,
* They must also be threaded.
*/
if (cachep->ctor && !(cachep->flags & SLAB_POISON))
cachep->ctor(cachep, objp + obj_offset(cachep));
cachep->ctor(objp + obj_offset(cachep));
if (cachep->flags & SLAB_RED_ZONE) {
if (*dbg_redzone2(cachep, objp) != RED_INACTIVE)
@ -2669,7 +2668,7 @@ static void cache_init_objs(struct kmem_cache *cachep,
cachep->buffer_size / PAGE_SIZE, 0);
#else
if (cachep->ctor)
cachep->ctor(cachep, objp);
cachep->ctor(objp);
#endif
slab_bufctl(slabp)[i] = i + 1;
}
@ -3093,7 +3092,7 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep,
#endif
objp += obj_offset(cachep);
if (cachep->ctor && cachep->flags & SLAB_POISON)
cachep->ctor(cachep, objp);
cachep->ctor(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",