patches/old/zsmalloc-cleanup-headers-includes.patch

From: Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: zsmalloc: cleanup headers includes
Date: Tue, 25 Mar 2025 17:04:16 +0900

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

Link: https://lkml.kernel.org/r/20250325080427.3449359-1-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/zpdesc.h   |    3 +++
 mm/zsmalloc.c |   12 +-----------
 2 files changed, 4 insertions(+), 11 deletions(-)

--- a/mm/zpdesc.h~zsmalloc-cleanup-headers-includes
+++ a/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.
--- a/mm/zsmalloc.c~zsmalloc-cleanup-headers-includes
+++ a/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
_