diff options
| -rw-r--r-- | include/linux/vmalloc.h | 1 | ||||
| -rw-r--r-- | mm/vmalloc.c | 17 |
2 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 4d668abb6391..bfaaf0b6fa76 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -135,6 +135,7 @@ extern void *__vmalloc_node_range(unsigned long size, unsigned long align, const void *caller); void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask, int node, const void *caller); +void *vmalloc_no_huge(unsigned long size); extern void vfree(const void *addr); extern void vfree_atomic(const void *addr); diff --git a/mm/vmalloc.c b/mm/vmalloc.c index a13ac524f6ff..fada19e17814 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2999,6 +2999,23 @@ void *vmalloc(unsigned long size) EXPORT_SYMBOL(vmalloc); /** + * vmalloc_no_huge - allocate virtually contiguous memory using small pages + * @size: allocation size + * + * Allocate enough non-huge pages to cover @size from the page level + * allocator and map them into contiguous kernel virtual space. + * + * Return: pointer to the allocated memory or %NULL on error + */ +void *vmalloc_no_huge(unsigned long size) +{ + return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END, + GFP_KERNEL, PAGE_KERNEL, VM_NO_HUGE_VMAP, + NUMA_NO_NODE, __builtin_return_address(0)); +} +EXPORT_SYMBOL(vmalloc_no_huge); + +/** * vzalloc - allocate virtually contiguous memory with zero fill * @size: allocation size * |