linux-kernel - [PATCH] mm/zsmalloc: Change stat type parameter to int

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Message-Id: <20170731175000.56538-1-mka@chromium.org>
Date:   Mon, 31 Jul 2017 10:50:00 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Minchan Kim <minchan@...nel.org>, Nitin Gupta <ngupta@...are.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Doug Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH] mm/zsmalloc: Change stat type parameter to int

zs_stat_inc/dec/get() uses enum zs_stat_type for the stat type, however
some callers pass an enum fullness_group value. Change the type to int
to reflect the actual use of the functions and get rid of
'enum-conversion' warnings

Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
---
 mm/zsmalloc.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 013eea76685e..8daf56b73024 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -551,20 +551,23 @@ static int get_size_class_index(int size)
 	return min_t(int, ZS_SIZE_CLASSES - 1, idx);
 }
 
+/* type can be of enum type zs_stat_type or fullness_group */
 static inline void zs_stat_inc(struct size_class *class,
-				enum zs_stat_type type, unsigned long cnt)
+				int type, unsigned long cnt)
 {
 	class->stats.objs[type] += cnt;
 }
 
+/* type can be of enum type zs_stat_type or fullness_group */
 static inline void zs_stat_dec(struct size_class *class,
-				enum zs_stat_type type, unsigned long cnt)
+				int type, unsigned long cnt)
 {
 	class->stats.objs[type] -= cnt;
 }
 
+/* type can be of enum type zs_stat_type or fullness_group */
 static inline unsigned long zs_stat_get(struct size_class *class,
-				enum zs_stat_type type)
+				int type)
 {
 	return class->stats.objs[type];
 }
-- 
2.14.0.rc0.400.g1c36432dff-goog