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authorPaul Mundt <lethal@linux-sh.org>2008-08-04 16:01:47 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-08-04 16:01:47 +0900
commit1af446edfe3239b2b731f3458b3c285c397464cc (patch)
treeb1ff67e6c7be9f0d08fed583154c12301a6d9c38 /mm/nommu.c
parentd8eb2fab18b856fcaebe2619e8eaaa152baebc66 (diff)
downloadvexpress-lsk-1af446edfe3239b2b731f3458b3c285c397464cc.tar.gz
nommu: Provide vmalloc_exec().
Now that SH has switched to vmalloc_exec() for PAGE_KERNEL_EXEC usage, it's apparent that nommu has no vmalloc_exec() definition of its own. Stub in the one from mm/vmalloc.c. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'mm/nommu.c')
-rw-r--r--mm/nommu.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index 5edccd9c921..ed75bc962fb 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -266,6 +266,27 @@ void *vmalloc_node(unsigned long size, int node)
}
EXPORT_SYMBOL(vmalloc_node);
+#ifndef PAGE_KERNEL_EXEC
+# define PAGE_KERNEL_EXEC PAGE_KERNEL
+#endif
+
+/**
+ * vmalloc_exec - allocate virtually contiguous, executable memory
+ * @size: allocation size
+ *
+ * Kernel-internal function to allocate enough pages to cover @size
+ * the page level allocator and map them into contiguous and
+ * executable kernel virtual space.
+ *
+ * For tight control over page level allocator and protection flags
+ * use __vmalloc() instead.
+ */
+
+void *vmalloc_exec(unsigned long size)
+{
+ return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC);
+}
+
/**
* vmalloc_32 - allocate virtually contiguous memory (32bit addressable)
* @size: allocation size