[PATCH v4 09/17] mm/slab_common: cleanup kmalloc_large()

[Hyeonggon Yoo]

Now that kmalloc_large() and kmalloc_large_node() do mostly same job,
make kmalloc_large() wrapper of kmalloc_large_node_notrace().

In the meantime, add missing flag fix code in
kmalloc_large_node_notrace().

Signed-off-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
---
 mm/slab_common.c | 35 +++++++++++++----------------------
 1 file changed, 13 insertions(+), 22 deletions(-)

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 7a0942d54424..51ccd0545816 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -905,28 +905,6 @@ gfp_t kmalloc_fix_flags(gfp_t flags)
  * directly to the page allocator. We use __GFP_COMP, because we will need to
  * know the allocation order to free the pages properly in kfree.
  */
-void *kmalloc_large(size_t size, gfp_t flags)
-{
-	void *ret = NULL;
-	struct page *page;
-	unsigned int order = get_order(size);
-
-	if (unlikely(flags & GFP_SLAB_BUG_MASK))
-		flags = kmalloc_fix_flags(flags);
-
-	page = alloc_pages(flags | __GFP_COMP, order);
-	if (likely(page)) {
-		ret = page_address(page);
-		mod_lruvec_page_state(page, NR_SLAB_UNRECLAIMABLE_B,
-				      PAGE_SIZE << order);
-	}
-	ret = kasan_kmalloc_large(ret, size, flags);
-	/* As ret might get tagged, call kmemleak hook after KASAN. */
-	kmemleak_alloc(ret, size, 1, flags);
-	trace_kmalloc(_RET_IP_, ret, NULL, size, PAGE_SIZE << order, flags);
-	return ret;
-}
-EXPORT_SYMBOL(kmalloc_large);
 
 void *kmalloc_large_node_notrace(size_t size, gfp_t flags, int node)
 {
@@ -934,6 +912,9 @@ void *kmalloc_large_node_notrace(size_t size, gfp_t flags, int node)
 	void *ptr = NULL;
 	unsigned int order = get_order(size);
 
+	if (unlikely(flags & GFP_SLAB_BUG_MASK))
+		flags = kmalloc_fix_flags(flags);
+
 	flags |= __GFP_COMP;
 	page = alloc_pages_node(node, flags, order);
 	if (page) {
@@ -949,6 +930,16 @@ void *kmalloc_large_node_notrace(size_t size, gfp_t flags, int node)
 	return ptr;
 }
 
+void *kmalloc_large(size_t size, gfp_t flags)
+{
+	void *ret = kmalloc_large_node_notrace(size, flags, NUMA_NO_NODE);
+
+	trace_kmalloc(_RET_IP_, ret, NULL, size,
+		      PAGE_SIZE << get_order(size), flags);
+	return ret;
+}
+EXPORT_SYMBOL(kmalloc_large);
+
 void *kmalloc_large_node(size_t size, gfp_t flags, int node)
 {
 	void *ret = kmalloc_large_node_notrace(size, flags, node);
-- 
2.32.0