module: merge module_alloc() finally

As Christoph Hellwig suggested, module_alloc() actually can be
unified for i386 and x86_64 (of course, also UML).

Signed-off-by: WANG Cong <amwang@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: 'Ingo Molnar' <mingo@elte.hu>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 2 insertions, 10 deletions

diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index b92fbcf48609..894bb718a6fb 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -34,14 +34,6 @@
 #define DEBUGP(fmt...)
 #endif
 
-#if defined(CONFIG_UML) || defined(CONFIG_X86_32)
-void *module_alloc(unsigned long size)
-{
-        if (size == 0)
-                return NULL;
-        return vmalloc_exec(size);
-}
-#else /*X86_64*/
 void *module_alloc(unsigned long size)
 {
         struct vm_struct *area;
@@ -56,9 +48,9 @@ void *module_alloc(unsigned long size)
         if (!area)
                 return NULL;
 
-        return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL_EXEC);
+        return __vmalloc_area(area, GFP_KERNEL | __GFP_HIGHMEM,
+                                        PAGE_KERNEL_EXEC);
 }
-#endif
 
 /* Free memory returned from module_alloc */
 void module_free(struct module *mod, void *module_region)