linux-kernel - [PATCH] mm/slab: minor coding style tweaks

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Date:   Tue,  9 Feb 2021 11:31:39 +0800
From:   Zhiyuan Dai <daizhiyuan@...tium.com.cn>
To:     cl@...ux.com, penberg@...nel.org, rientjes@...gle.com,
        iamjoonsoo.kim@....com, akpm@...ux-foundation.org, vbabka@...e.cz
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Zhiyuan Dai <daizhiyuan@...tium.com.cn>
Subject: [PATCH] mm/slab: minor coding style tweaks

Fixed some coding style issues, improve code reading.
This patch adds whitespace to clearly separate the parameters.

Signed-off-by: Zhiyuan Dai <daizhiyuan@...tium.com.cn>
---
 mm/slab.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index d7c8da9..30bba30 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -272,7 +272,7 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent)
 #define	STATS_DEC_ACTIVE(x)	((x)->num_active--)
 #define	STATS_INC_ALLOCED(x)	((x)->num_allocations++)
 #define	STATS_INC_GROWN(x)	((x)->grown++)
-#define	STATS_ADD_REAPED(x,y)	((x)->reaped += (y))
+#define	STATS_ADD_REAPED(x, y)	((x)->reaped += (y))
 #define	STATS_SET_HIGH(x)						\
 	do {								\
 		if ((x)->num_active > (x)->high_mark)			\
@@ -296,7 +296,7 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent)
 #define	STATS_DEC_ACTIVE(x)	do { } while (0)
 #define	STATS_INC_ALLOCED(x)	do { } while (0)
 #define	STATS_INC_GROWN(x)	do { } while (0)
-#define	STATS_ADD_REAPED(x,y)	do { (void)(y); } while (0)
+#define	STATS_ADD_REAPED(x, y)	do { (void)(y); } while (0)
 #define	STATS_SET_HIGH(x)	do { } while (0)
 #define	STATS_INC_ERR(x)	do { } while (0)
 #define	STATS_INC_NODEALLOCS(x)	do { } while (0)
@@ -332,7 +332,7 @@ static int obj_offset(struct kmem_cache *cachep)
 static unsigned long long *dbg_redzone1(struct kmem_cache *cachep, void *objp)
 {
 	BUG_ON(!(cachep->flags & SLAB_RED_ZONE));
-	return (unsigned long long*) (objp + obj_offset(cachep) -
+	return (unsigned long long *) (objp + obj_offset(cachep) -
 				      sizeof(unsigned long long));
 }
 
@@ -580,7 +580,7 @@ static int transfer_objects(struct array_cache *to,
 	if (!nr)
 		return 0;
 
-	memcpy(to->entry + to->avail, from->entry + from->avail -nr,
+	memcpy(to->entry + to->avail, from->entry + from->avail - nr,
 			sizeof(void *) *nr);
 
 	from->avail -= nr;
@@ -2738,7 +2738,7 @@ static void *cache_free_debugcheck(struct kmem_cache *cachep, void *objp,
 
 #else
 #define kfree_debugcheck(x) do { } while(0)
-#define cache_free_debugcheck(x,objp,z) (objp)
+#define cache_free_debugcheck(x, objp, z) (objp)
 #endif
 
 static inline void fixup_objfreelist_debug(struct kmem_cache *cachep,
@@ -3025,7 +3025,7 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep,
 	return objp;
 }
 #else
-#define cache_alloc_debugcheck_after(a,b,objp,d) (objp)
+#define cache_alloc_debugcheck_after(a, b, objp, d) (objp)
 #endif
 
 static inline void *____cache_alloc(struct kmem_cache *cachep, gfp_t flags)
-- 
1.8.3.1