[merged] mm-mempool-add-else-to-split-mutually-exclusive-case.patch removed from -mm tree

[akpm@xxxxxxxxxxxxxxxxxxxx]

The patch titled
     Subject: mm/mempool: add 'else' to split mutually exclusive case
has been removed from the -mm tree.  Its filename was
     mm-mempool-add-else-to-split-mutually-exclusive-case.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/mempool: add 'else' to split mutually exclusive case

Add else to split mutually exclusive case and avoid some unnecessary check.
It doesn't seem to change code generation (compiler is smart), but I think
it helps readability.

[akpm@xxxxxxxxxxxxxxxxxxxx: fix comment location]
Link: https://lkml.kernel.org/r/20200924111641.28922-1-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/mempool.c |   18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

--- a/mm/mempool.c~mm-mempool-add-else-to-split-mutually-exclusive-case
+++ a/mm/mempool.c
@@ -58,11 +58,10 @@ static void __check_element(mempool_t *p
 static void check_element(mempool_t *pool, void *element)
 {
 	/* Mempools backed by slab allocator */
-	if (pool->free == mempool_free_slab || pool->free == mempool_kfree)
+	if (pool->free == mempool_free_slab || pool->free == mempool_kfree) {
 		__check_element(pool, element, ksize(element));
-
-	/* Mempools backed by page allocator */
-	if (pool->free == mempool_free_pages) {
+	} else if (pool->free == mempool_free_pages) {
+		/* Mempools backed by page allocator */
 		int order = (int)(long)pool->pool_data;
 		void *addr = kmap_atomic((struct page *)element);
 
@@ -82,11 +81,10 @@ static void __poison_element(void *eleme
 static void poison_element(mempool_t *pool, void *element)
 {
 	/* Mempools backed by slab allocator */
-	if (pool->alloc == mempool_alloc_slab || pool->alloc == mempool_kmalloc)
+	if (pool->alloc == mempool_alloc_slab || pool->alloc == mempool_kmalloc) {
 		__poison_element(element, ksize(element));
-
-	/* Mempools backed by page allocator */
-	if (pool->alloc == mempool_alloc_pages) {
+	} else if (pool->alloc == mempool_alloc_pages) {
+		/* Mempools backed by page allocator */
 		int order = (int)(long)pool->pool_data;
 		void *addr = kmap_atomic((struct page *)element);
 
@@ -107,7 +105,7 @@ static __always_inline void kasan_poison
 {
 	if (pool->alloc == mempool_alloc_slab || pool->alloc == mempool_kmalloc)
 		kasan_poison_kfree(element, _RET_IP_);
-	if (pool->alloc == mempool_alloc_pages)
+	else if (pool->alloc == mempool_alloc_pages)
 		kasan_free_pages(element, (unsigned long)pool->pool_data);
 }
 
@@ -115,7 +113,7 @@ static void kasan_unpoison_element(mempo
 {
 	if (pool->alloc == mempool_alloc_slab || pool->alloc == mempool_kmalloc)
 		kasan_unpoison_slab(element);
-	if (pool->alloc == mempool_alloc_pages)
+	else if (pool->alloc == mempool_alloc_pages)
 		kasan_alloc_pages(element, (unsigned long)pool->pool_data);
 }
 
_

Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are

mm-vmstat-use-helper-macro-abs.patch
mm-fix-some-broken-comments.patch
mm-use-helper-function-put_write_access.patch
percpu_counter-use-helper-macro-abs.patch
mm-migrate-avoid-possible-unnecessary-process-right-check-in-kernel_move_pages.patch