mm/page_alloc.c: fix coding style and spelling

Fix all errors reported by checkpatch and some small spelling mistakes.

Signed-off-by: Pintu Kumar <pintu.k@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 24 insertions, 21 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6cf157637df3..2ca3e9bd739c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -721,7 +721,8 @@ static bool free_pages_prepare(struct page *page, unsigned int order)
                 return false;
 
         if (!PageHighMem(page)) {
-                debug_check_no_locks_freed(page_address(page),PAGE_SIZE<<order);
+                debug_check_no_locks_freed(page_address(page),
+                                           PAGE_SIZE << order);
                 debug_check_no_obj_freed(page_address(page),
                                            PAGE_SIZE << order);
         }
@@ -885,7 +886,7 @@ struct page *__rmqueue_smallest(struct zone *zone, unsigned int order,
                                                 int migratetype)
 {
         unsigned int current_order;
-        struct free_area * area;
+        struct free_area *area;
         struct page *page;
 
         /* Find a page of the appropriate size in the preferred list */
@@ -1011,7 +1012,7 @@ static void change_pageblock_range(struct page *pageblock_page,
 static inline struct page *
 __rmqueue_fallback(struct zone *zone, int order, int start_migratetype)
 {
-        struct free_area * area;
+        struct free_area *area;
         int current_order;
         struct page *page;
         int migratetype, i;
@@ -3104,7 +3105,7 @@ void show_free_areas(unsigned int filter)
         }
 
         for_each_populated_zone(zone) {
-                unsigned long nr[MAX_ORDER], flags, order, total = 0;
+                unsigned long nr[MAX_ORDER], flags, order, total = 0;
                 unsigned char types[MAX_ORDER];
 
                 if (skip_free_areas_node(filter, zone_to_nid(zone)))
@@ -3416,11 +3417,11 @@ static void build_zonelists_in_zone_order(pg_data_t *pgdat, int nr_nodes)
 static int default_zonelist_order(void)
 {
         int nid, zone_type;
-        unsigned long low_kmem_size,total_size;
+        unsigned long low_kmem_size, total_size;
         struct zone *z;
         int average_size;
         /*
-         * ZONE_DMA and ZONE_DMA32 can be very small area in the system.
+         * ZONE_DMA and ZONE_DMA32 can be very small area in the system.
          * If they are really small and used heavily, the system can fall
          * into OOM very easily.
          * This function detect ZONE_DMA/DMA32 size and configures zone order.
@@ -3452,9 +3453,9 @@ static int default_zonelist_order(void)
                 return ZONELIST_ORDER_NODE;
         /*
          * look into each node's config.
-         * If there is a node whose DMA/DMA32 memory is very big area on
-         * local memory, NODE_ORDER may be suitable.
-         */
+         * If there is a node whose DMA/DMA32 memory is very big area on
+         * local memory, NODE_ORDER may be suitable.
+         */
         average_size = total_size /
                                 (nodes_weight(node_states[N_MEMORY]) + 1);
         for_each_online_node(nid) {
@@ -4180,7 +4181,7 @@ int zone_wait_table_init(struct zone *zone, unsigned long zone_size_pages)
         if (!zone->wait_table)
                 return -ENOMEM;
 
-        for(i = 0; i < zone->wait_table_hash_nr_entries; ++i)
+        for (i = 0; i < zone->wait_table_hash_nr_entries; ++i)
                 init_waitqueue_head(zone->wait_table + i);
 
         return 0;
@@ -4930,7 +4931,7 @@ static unsigned long __init early_calculate_totalpages(void)
                 if (pages)
                         node_set_state(nid, N_MEMORY);
         }
-        return totalpages;
+        return totalpages;
 }
 
 /*
@@ -5047,7 +5048,7 @@ restart:
                         /*
                          * Some kernelcore has been met, update counts and
                          * break if the kernelcore for this node has been
-                         * satisified
+                         * satisfied
                          */
                         required_kernelcore -= min(required_kernelcore,
                                                                 size_pages);
@@ -5061,7 +5062,7 @@ restart:
          * If there is still required_kernelcore, we do another pass with one
          * less node in the count. This will push zone_movable_pfn[nid] further
          * along on the nodes that still have memory until kernelcore is
-         * satisified
+         * satisfied
          */
         usable_nodes--;
         if (usable_nodes && required_kernelcore > usable_nodes)
@@ -5286,8 +5287,10 @@ void __init mem_init_print_info(const char *str)
          * 3) .rodata.* may be embedded into .text or .data sections.
          */
 #define adj_init_size(start, end, size, pos, adj) \
-        if (start <= pos && pos < end && size > adj) \
-                size -= adj;
+        do { \
+                if (start <= pos && pos < end && size > adj) \
+                        size -= adj; \
+        } while (0)
 
         adj_init_size(__init_begin, __init_end, init_data_size,
                      _sinittext, init_code_size);
@@ -5570,7 +5573,7 @@ static void __meminit setup_per_zone_inactive_ratio(void)
  * we want it large (64MB max).  But it is not linear, because network
  * bandwidth does not increase linearly with machine size.  We use
  *
- *      min_free_kbytes = 4 * sqrt(lowmem_kbytes), for better accuracy:
+ *      min_free_kbytes = 4 * sqrt(lowmem_kbytes), for better accuracy:
  *      min_free_kbytes = sqrt(lowmem_kbytes * 16)
  *
  * which yields
@@ -5614,11 +5617,11 @@ int __meminit init_per_zone_wmark_min(void)
 module_init(init_per_zone_wmark_min)
 
 /*
- * min_free_kbytes_sysctl_handler - just a wrapper around proc_dointvec() so 
+ * min_free_kbytes_sysctl_handler - just a wrapper around proc_dointvec() so
  *      that we can call two helper functions whenever min_free_kbytes
  *      changes.
  */
-int min_free_kbytes_sysctl_handler(ctl_table *table, int write, 
+int min_free_kbytes_sysctl_handler(ctl_table *table, int write,
         void __user *buffer, size_t *length, loff_t *ppos)
 {
         proc_dointvec(table, write, buffer, length, ppos);
@@ -5682,8 +5685,8 @@ int lowmem_reserve_ratio_sysctl_handler(ctl_table *table, int write,
 
 /*
  * percpu_pagelist_fraction - changes the pcp->high for each zone on each
- * cpu.  It is the fraction of total pages in each zone that a hot per cpu pagelist
- * can have before it gets flushed back to buddy allocator.
+ * cpu.  It is the fraction of total pages in each zone that a hot per cpu
+ * pagelist can have before it gets flushed back to buddy allocator.
  */
 int percpu_pagelist_fraction_sysctl_handler(ctl_table *table, int write,
         void __user *buffer, size_t *length, loff_t *ppos)
@@ -5901,7 +5904,7 @@ void set_pageblock_flags_group(struct page *page, unsigned long flags,
  * This function checks whether pageblock includes unmovable pages or not.
  * If @count is not zero, it is okay to include less @count unmovable pages
  *
- * PageLRU check wihtout isolation or lru_lock could race so that
+ * PageLRU check without isolation or lru_lock could race so that
  * MIGRATE_MOVABLE block might include unmovable pages. It means you can't
  * expect this function should be exact.
  */