linux-kernel - [PATCH trivial] include/linux/memory

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Date:	Fri, 10 Jun 2016 11:47:42 +0800
From:	chengang@...ndsoft.com.cn
To:	akpm@...ux-foundation.org, trivial@...nel.org
Cc:	mhocko@...e.cz, dan.j.williams@...el.com, iamjoonsoo.kim@....com,
	vbabka@...e.cz, baiyaowei@...s.chinamobile.com,
	vkuznets@...hat.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Chen Gang <chengang@...ndsoft.com.cn>,
	Chen Gang <gang.chen.5i5j@...il.com>
Subject: [PATCH trivial] include/linux/memory_hotplug.h: Clean up code

From: Chen Gang <chengang@...ndsoft.com.cn>

Use one line instead of two lines for pgdat_resize_init, since one line
is still within 80 columns.

Let the second line function parameter almost align with the first line
parameter.

Use pr_warn instead of printk, so also let the line within 80 columns.

Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 include/linux/memory_hotplug.h | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 01033fa..714f3ea 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -48,8 +48,7 @@ void pgdat_resize_unlock(struct pglist_data *pgdat, unsigned long *flags)
 {
 	spin_unlock_irqrestore(&pgdat->node_size_lock, *flags);
 }
-static inline
-void pgdat_resize_init(struct pglist_data *pgdat)
+static inline void pgdat_resize_init(struct pglist_data *pgdat)
 {
 	spin_lock_init(&pgdat->node_size_lock);
 }
@@ -105,12 +104,12 @@ extern bool memhp_auto_online;
 extern bool is_pageblock_removable_nolock(struct page *page);
 extern int arch_remove_memory(u64 start, u64 size);
 extern int __remove_pages(struct zone *zone, unsigned long start_pfn,
-	unsigned long nr_pages);
+			unsigned long nr_pages);
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 
 /* reasonably generic interface to expand the physical pages in a zone  */
 extern int __add_pages(int nid, struct zone *zone, unsigned long start_pfn,
-	unsigned long nr_pages);
+			unsigned long nr_pages);
 
 #ifdef CONFIG_NUMA
 extern int memory_add_physaddr_to_nid(u64 start);
@@ -223,7 +222,7 @@ static inline void zone_seqlock_init(struct zone *zone) {}
 
 static inline int mhp_notimplemented(const char *func)
 {
-	printk(KERN_WARNING "%s() called, with CONFIG_MEMORY_HOTPLUG disabled\n", func);
+	pr_warn("%s() called, with CONFIG_MEMORY_HOTPLUG disabled\n", func);
 	dump_stack();
 	return -ENOSYS;
 }
@@ -270,18 +269,18 @@ static inline void remove_memory(int nid, u64 start, u64 size) {}
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 
 extern int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn,
-		void *arg, int (*func)(struct memory_block *, void *));
+			void *arg, int (*func)(struct memory_block *, void *));
 extern int add_memory(int nid, u64 start, u64 size);
 extern int add_memory_resource(int nid, struct resource *resource, bool online);
 extern int zone_for_memory(int nid, u64 start, u64 size, int zone_default,
-		bool for_device);
+			bool for_device);
 extern int arch_add_memory(int nid, u64 start, u64 size, bool for_device);
 extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages);
 extern bool is_memblock_offlined(struct memory_block *mem);
 extern void remove_memory(int nid, u64 start, u64 size);
 extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn);
 extern void sparse_remove_one_section(struct zone *zone, struct mem_section *ms,
-		unsigned long map_offset);
+					unsigned long map_offset);
 extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map,
 					  unsigned long pnum);
 extern int zone_can_shift(unsigned long pfn, unsigned long nr_pages,
-- 
1.9.3