if (limit > 1)
limit = 12;
- ac_ptr = kmalloc_node(memsize, gfp, node);
+ ac_ptr = kzalloc_node(memsize, gfp, node);
if (ac_ptr) {
for_each_node(i) {
- if (i == node || !node_online(i)) {
- ac_ptr[i] = NULL;
+ if (i == node || !node_online(i))
continue;
- }
ac_ptr[i] = alloc_arraycache(node, limit, 0xbaadf00d, gfp);
if (!ac_ptr[i]) {
for (i--; i >= 0; i--)
if (cachep == &cache_cache)
return false;
- return should_failslab(obj_size(cachep), flags);
+ return should_failslab(obj_size(cachep), flags, cachep->flags);
}
static inline void *____cache_alloc(struct kmem_cache *cachep, gfp_t flags)
*/
int kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr)
{
- unsigned long addr = (unsigned long)ptr;
- unsigned long min_addr = PAGE_OFFSET;
- unsigned long align_mask = BYTES_PER_WORD - 1;
unsigned long size = cachep->buffer_size;
struct page *page;
- if (unlikely(addr < min_addr))
- goto out;
- if (unlikely(addr > (unsigned long)high_memory - size))
- goto out;
- if (unlikely(addr & align_mask))
- goto out;
- if (unlikely(!kern_addr_valid(addr)))
- goto out;
- if (unlikely(!kern_addr_valid(addr + size - 1)))
+ if (unlikely(!kern_ptr_validate(ptr, size)))
goto out;
page = virt_to_page(ptr);
if (unlikely(!PageSlab(page)))