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-rw-r--r--mm/nommu.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index 5edccd9c9218..ed75bc962fbe 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -266,6 +266,27 @@ void *vmalloc_node(unsigned long size, int node)
266} 266}
267EXPORT_SYMBOL(vmalloc_node); 267EXPORT_SYMBOL(vmalloc_node);
268 268
269#ifndef PAGE_KERNEL_EXEC
270# define PAGE_KERNEL_EXEC PAGE_KERNEL
271#endif
272
273/**
274 * vmalloc_exec - allocate virtually contiguous, executable memory
275 * @size: allocation size
276 *
277 * Kernel-internal function to allocate enough pages to cover @size
278 * the page level allocator and map them into contiguous and
279 * executable kernel virtual space.
280 *
281 * For tight control over page level allocator and protection flags
282 * use __vmalloc() instead.
283 */
284
285void *vmalloc_exec(unsigned long size)
286{
287 return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC);
288}
289
269/** 290/**
270 * vmalloc_32 - allocate virtually contiguous memory (32bit addressable) 291 * vmalloc_32 - allocate virtually contiguous memory (32bit addressable)
271 * @size: allocation size 292 * @size: allocation size