[PATCH] zsmalloc: cleanup headers includes

[Sergey Senozhatsky]

Remove unused headers includes from zsmalloc and move
pagemap.h and migrate.h includes into zpdesc header.

Signed-off-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
---
 mm/zpdesc.h   |  3 +++
 mm/zsmalloc.c | 12 +-----------
 2 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/mm/zpdesc.h b/mm/zpdesc.h
index fa47fece2237..57e7a4d6c6ca 100644
--- a/mm/zpdesc.h
+++ b/mm/zpdesc.h
@@ -7,6 +7,9 @@
 #ifndef __MM_ZPDESC_H__
 #define __MM_ZPDESC_H__
 
+#include <linux/migrate.h>
+#include <linux/pagemap.h>
+
 /*
  * struct zpdesc -	Memory descriptor for zpool memory.
  * @flags:		Page flags, mostly unused by zsmalloc.
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 961b270f023c..2119af63d0d4 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -26,17 +26,10 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
-#include <linux/bitops.h>
 #include <linux/errno.h>
 #include <linux/highmem.h>
 #include <linux/string.h>
 #include <linux/slab.h>
-#include <linux/pgtable.h>
-#include <asm/tlbflush.h>
-#include <linux/cpumask.h>
-#include <linux/cpu.h>
-#include <linux/vmalloc.h>
-#include <linux/preempt.h>
 #include <linux/spinlock.h>
 #include <linux/sprintf.h>
 #include <linux/shrinker.h>
@@ -44,11 +37,8 @@
 #include <linux/debugfs.h>
 #include <linux/zsmalloc.h>
 #include <linux/zpool.h>
-#include <linux/migrate.h>
-#include <linux/wait.h>
-#include <linux/pagemap.h>
 #include <linux/fs.h>
-#include <linux/local_lock.h>
+#include <linux/workqueue.h>
 #include "zpdesc.h"
 
 #define ZSPAGE_MAGIC	0x58
-- 
2.49.0.395.g12beb8f557-goog