mm: remove __vmalloc_node_flags_caller

Just use __vmalloc_node instead which gets and extra argument. To be able to to use __vmalloc_node in all caller make it available outside of vmalloc and implement it in nommu.c. [[email protected]: fix nommu build] 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]> Cc: Stephen Rothwell <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
chewitt · Jun 2, 2020 · 2b90594 · 2b90594
1 parent 4d39d72
commit 2b90594
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Showing 5 changed files with 9 additions and 18 deletions.
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
@@ -115,8 +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);
-extern void *__vmalloc_node_flags_caller(unsigned long size,
-					 int node, gfp_t flags, void *caller);
+void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
+		int node, const void *caller);
 
 extern void vfree(const void *addr);
 extern void vfree_atomic(const void *addr);

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
@@ -299,9 +299,8 @@ static void *__bpf_map_area_alloc(u64 size, int numa_node, bool mmapable)
 		return vmalloc_user_node_flags(size, numa_node, GFP_KERNEL |
 					       __GFP_RETRY_MAYFAIL | flags);
 	}
-	return __vmalloc_node_flags_caller(size, numa_node,
-					   GFP_KERNEL | __GFP_RETRY_MAYFAIL |
-					   flags, __builtin_return_address(0));
+	return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_RETRY_MAYFAIL | flags,
+			      numa_node, __builtin_return_address(0));
 }
 
 void *bpf_map_area_alloc(u64 size, int numa_node)

diff --git a/mm/nommu.c b/mm/nommu.c
@@ -150,10 +150,10 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask)
 }
 EXPORT_SYMBOL(__vmalloc);
 
-void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags,
-		void *caller)
+void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
+		int node, const void *caller)
 {
-	return __vmalloc(size, flags);
+	return __vmalloc(size, gfp_mask);
 }
 
 static void *__vmalloc_user_flags(unsigned long size, gfp_t flags)

diff --git a/mm/util.c b/mm/util.c
@@ -580,7 +580,7 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node)
 	if (ret || size <= PAGE_SIZE)
 		return ret;
 
-	return __vmalloc_node_flags_caller(size, node, flags,
+	return __vmalloc_node(size, 1, flags, node,
 			__builtin_return_address(0));
 }
 EXPORT_SYMBOL(kvmalloc_node);

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
@@ -2401,8 +2401,6 @@ void *vmap(struct page **pages, unsigned int count,
 }
 EXPORT_SYMBOL(vmap);
 
-static void *__vmalloc_node(unsigned long size, unsigned long align,
-			    gfp_t gfp_mask, int node, const void *caller);
 static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
 				 pgprot_t prot, int node)
 {
@@ -2553,7 +2551,7 @@ EXPORT_SYMBOL_GPL(__vmalloc_node_range);
  *
  * Return: pointer to the allocated memory or %NULL on error
  */
-static void *__vmalloc_node(unsigned long size, unsigned long align,
+void *__vmalloc_node(unsigned long size, unsigned long align,
 			    gfp_t gfp_mask, int node, const void *caller)
 {
 	return __vmalloc_node_range(size, align, VMALLOC_START, VMALLOC_END,
@@ -2567,12 +2565,6 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask)
 }
 EXPORT_SYMBOL(__vmalloc);
 
-void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags,
-				  void *caller)
-{
-	return __vmalloc_node(size, 1, flags, node, caller);
-}
-
 /**
  * vmalloc - allocate virtually contiguous memory
  * @size:    allocation size