Remove SLAB_CTOR_CONSTRUCTOR

SLAB_CTOR_CONSTRUCTOR is always specified. No point in checking it.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Steven French <sfrench@us.ibm.com>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Anton Altaparmakov <aia21@cantab.net>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@ucw.cz>
Cc: David Chinner <dgc@sgi.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

5 files changed, 13 insertions, 19 deletions

diff --git a/mm/rmap.c b/mm/rmap.c
index 304f51985c78..1c1af92732d5 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -162,12 +162,10 @@ void anon_vma_unlink(struct vm_area_struct *vma)
 static void anon_vma_ctor(void *data, struct kmem_cache *cachep,
 			  unsigned long flags)
 {
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		struct anon_vma *anon_vma = data;
+	struct anon_vma *anon_vma = data;
 
-		spin_lock_init(&anon_vma->lock);
-		INIT_LIST_HEAD(&anon_vma->head);
-	}
+	spin_lock_init(&anon_vma->lock);
+	INIT_LIST_HEAD(&anon_vma->head);
 }
 
 void __init anon_vma_init(void)
diff --git a/mm/shmem.c b/mm/shmem.c
index f01e8deed645..e537317bec4d 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2358,13 +2358,11 @@ static void init_once(void *foo, struct kmem_cache *cachep,
 {
 	struct shmem_inode_info *p = (struct shmem_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		inode_init_once(&p->vfs_inode);
+	inode_init_once(&p->vfs_inode);
 #ifdef CONFIG_TMPFS_POSIX_ACL
-		p->i_acl = NULL;
-		p->i_default_acl = NULL;
+	p->i_acl = NULL;
+	p->i_default_acl = NULL;
 #endif
-	}
 }
 
 static int init_inodecache(void)
diff --git a/mm/slab.c b/mm/slab.c
index 2043102c0425..1dc0ce1d0d5d 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2610,7 +2610,7 @@ static inline kmem_bufctl_t *slab_bufctl(struct slab *slabp)
 }
 
 static void cache_init_objs(struct kmem_cache *cachep,
-			    struct slab *slabp, unsigned long ctor_flags)
+			    struct slab *slabp)
 {
 	int i;
 
@@ -2634,7 +2634,7 @@ static void cache_init_objs(struct kmem_cache *cachep,
 		 */
 		if (cachep->ctor && !(cachep->flags & SLAB_POISON))
 			cachep->ctor(objp + obj_offset(cachep), cachep,
-				     ctor_flags);
+				     0);
 
 		if (cachep->flags & SLAB_RED_ZONE) {
 			if (*dbg_redzone2(cachep, objp) != RED_INACTIVE)
@@ -2650,7 +2650,7 @@ static void cache_init_objs(struct kmem_cache *cachep,
 					 cachep->buffer_size / PAGE_SIZE, 0);
 #else
 		if (cachep->ctor)
-			cachep->ctor(objp, cachep, ctor_flags);
+			cachep->ctor(objp, cachep, 0);
 #endif
 		slab_bufctl(slabp)[i] = i + 1;
 	}
@@ -2739,7 +2739,6 @@ static int cache_grow(struct kmem_cache *cachep,
 	struct slab *slabp;
 	size_t offset;
 	gfp_t local_flags;
-	unsigned long ctor_flags;
 	struct kmem_list3 *l3;
 
 	/*
@@ -2748,7 +2747,6 @@ static int cache_grow(struct kmem_cache *cachep,
 	 */
 	BUG_ON(flags & ~(GFP_DMA | GFP_LEVEL_MASK));
 
-	ctor_flags = SLAB_CTOR_CONSTRUCTOR;
 	local_flags = (flags & GFP_LEVEL_MASK);
 	/* Take the l3 list lock to change the colour_next on this node */
 	check_irq_off();
@@ -2793,7 +2791,7 @@ static int cache_grow(struct kmem_cache *cachep,
 	slabp->nodeid = nodeid;
 	slab_map_pages(cachep, slabp, objp);
 
-	cache_init_objs(cachep, slabp, ctor_flags);
+	cache_init_objs(cachep, slabp);
 
 	if (local_flags & __GFP_WAIT)
 		local_irq_disable();
@@ -3077,7 +3075,7 @@ 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, SLAB_CTOR_CONSTRUCTOR);
+		cachep->ctor(objp, cachep, 0);
 #if ARCH_SLAB_MINALIGN
 	if ((u32)objp & (ARCH_SLAB_MINALIGN-1)) {
 		printk(KERN_ERR "0x%p: not aligned to ARCH_SLAB_MINALIGN=%d\n",
diff --git a/mm/slob.c b/mm/slob.c
index 79164a4f54ad..71976c5d40d3 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -327,7 +327,7 @@ void *kmem_cache_alloc(struct kmem_cache *c, gfp_t flags)
 		b = (void *)__get_free_pages(flags, get_order(c->size));
 
 	if (c->ctor)
-		c->ctor(b, c, SLAB_CTOR_CONSTRUCTOR);
+		c->ctor(b, c, 0);
 
 	return b;
 }
diff --git a/mm/slub.c b/mm/slub.c
index 3ca164f33965..e7ad123bb6a7 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -994,7 +994,7 @@ static void setup_object(struct kmem_cache *s, struct page *page,
 	}
 
 	if (unlikely(s->ctor))
-		s->ctor(object, s, SLAB_CTOR_CONSTRUCTOR);
+		s->ctor(object, s, 0);
 }
 
 static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node)