#ifndef CONFIG_SLOB
static __always_inline __alloc_size(1) void *kmalloc(size_t size, gfp_t flags)
{
- if (__builtin_constant_p(size)) {
+ if (__builtin_constant_p(size) && size) {
unsigned int index;
if (size > KMALLOC_MAX_CACHE_SIZE)
return kmalloc_large(size, flags);
index = kmalloc_index(size);
-
- if (!index)
- return ZERO_SIZE_PTR;
-
return kmalloc_trace(
kmalloc_caches[kmalloc_type(flags)][index],
flags, size);
#ifndef CONFIG_SLOB
static __always_inline __alloc_size(1) void *kmalloc_node(size_t size, gfp_t flags, int node)
{
- if (__builtin_constant_p(size)) {
+ if (__builtin_constant_p(size) && size) {
unsigned int index;
if (size > KMALLOC_MAX_CACHE_SIZE)
return kmalloc_large_node(size, flags, node);
index = kmalloc_index(size);
-
- if (!index)
- return ZERO_SIZE_PTR;
-
return kmalloc_node_trace(
kmalloc_caches[kmalloc_type(flags)][index],
flags, node, size);