mm: remove both instances of __vmalloc_node_flags

The real version just had a few callers that can open code it and remove
one layer of indirection.  The nommu stub was public but only had a single
caller, so remove it and avoid a CONFIG_MMU ifdef in vmalloc.h.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Christian Borntraeger <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Gao Xiang <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Haiyang Zhang <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: "K. Y. Srinivasan" <[email protected]>
Cc: Laura Abbott <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Michael Kelley <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Nitin Gupta <[email protected]>
Cc: Robin Murphy <[email protected]>
Cc: Sakari Ailus <[email protected]>
Cc: Stephen Hemminger <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Wei Liu <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Vasily Gorbik <[email protected]>
Cc: Will Deacon <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>

Author: Christoph Hellwig

include/linux/vmalloc.h

@@ -115,17 +115,8 @@ extern void *__vmalloc_node_range(unsigned long size, unsigned long align,
 			unsigned long start, unsigned long end, gfp_t gfp_mask,
 			pgprot_t prot, unsigned long vm_flags, int node,
 			const void *caller);
-#ifndef CONFIG_MMU
-extern void *__vmalloc_node_flags(unsigned long size, int node, gfp_t flags);
-static inline void *__vmalloc_node_flags_caller(unsigned long size, int node,
-						gfp_t flags, void *caller)
-{
-	return __vmalloc_node_flags(size, node, flags);
-}
-#else
 extern void *__vmalloc_node_flags_caller(unsigned long size,
 					 int node, gfp_t flags, void *caller);
-#endif
 
 extern void vfree(const void *addr);
 extern void vfree_atomic(const void *addr);

mm/nommu.c

@@ -150,7 +150,8 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask)
 }
 EXPORT_SYMBOL(__vmalloc);
 
-void *__vmalloc_node_flags(unsigned long size, int node, gfp_t flags)
+void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags,
+		void *caller)
 {
 	return __vmalloc(size, flags);
 }

mm/vmalloc.c

@@ -2567,14 +2567,6 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask)
 }
 EXPORT_SYMBOL(__vmalloc);
 
-static inline void *__vmalloc_node_flags(unsigned long size,
-					int node, gfp_t flags)
-{
-	return __vmalloc_node(size, 1, flags, node,
-				__builtin_return_address(0));
-}
-
-
 void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags,
 				  void *caller)
 {
@@ -2595,8 +2587,8 @@ void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags,
  */
 void *vmalloc(unsigned long size)
 {
-	return __vmalloc_node_flags(size, NUMA_NO_NODE,
-				    GFP_KERNEL);
+	return __vmalloc_node(size, 1, GFP_KERNEL, NUMA_NO_NODE,
+				__builtin_return_address(0));
 }
 EXPORT_SYMBOL(vmalloc);
 
@@ -2615,8 +2607,8 @@ EXPORT_SYMBOL(vmalloc);
  */
 void *vzalloc(unsigned long size)
 {
-	return __vmalloc_node_flags(size, NUMA_NO_NODE,
-				GFP_KERNEL | __GFP_ZERO);
+	return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_ZERO, NUMA_NO_NODE,
+				__builtin_return_address(0));
 }
 EXPORT_SYMBOL(vzalloc);
 
@@ -2671,8 +2663,8 @@ EXPORT_SYMBOL(vmalloc_node);
  */
 void *vzalloc_node(unsigned long size, int node)
 {
-	return __vmalloc_node_flags(size, node,
-			 GFP_KERNEL | __GFP_ZERO);
+	return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_ZERO, node,
+				__builtin_return_address(0));
 }
 EXPORT_SYMBOL(vzalloc_node);