From: Pekka Enberg Date: Sat, 25 Mar 2006 11:06:43 +0000 (-0800) Subject: [PATCH] mm: use kmem_cache_zalloc X-Git-Tag: v2.6.17-rc1~854 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=c5e3b83e97be4e09961c0af101644643e5d03d17;p=linux-2.6-omap-h63xx.git [PATCH] mm: use kmem_cache_zalloc Convert mm/ to use the new kmem_cache_zalloc allocator. Signed-off-by: Pekka Enberg Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/mm/mmap.c b/mm/mmap.c index 0eb9894db6d..4f5b5709136 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1040,12 +1040,11 @@ munmap_back: * specific mapper. the address has already been validated, but * not unmapped, but the maps are removed from the list. */ - vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (!vma) { error = -ENOMEM; goto unacct_error; } - memset(vma, 0, sizeof(*vma)); vma->vm_mm = mm; vma->vm_start = addr; @@ -1896,12 +1895,11 @@ unsigned long do_brk(unsigned long addr, unsigned long len) /* * create a vma struct for an anonymous mapping */ - vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (!vma) { vm_unacct_memory(len >> PAGE_SHIFT); return -ENOMEM; } - memset(vma, 0, sizeof(*vma)); vma->vm_mm = mm; vma->vm_start = addr; diff --git a/mm/slab.c b/mm/slab.c index 6f5aeebd430..6a3760e0353 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1990,10 +1990,9 @@ kmem_cache_create (const char *name, size_t size, size_t align, align = ralign; /* Get cache's description obj. */ - cachep = kmem_cache_alloc(&cache_cache, SLAB_KERNEL); + cachep = kmem_cache_zalloc(&cache_cache, SLAB_KERNEL); if (!cachep) goto oops; - memset(cachep, 0, sizeof(struct kmem_cache)); #if DEBUG cachep->obj_size = size;