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Date: Wed, 15 Mar 2017 18:59:58 -0700
From: Joe Perches <joe@...ches.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org
Subject: [PATCH 01/15] mm: page_alloc: whitespace neatening
whitespace changes only - git diff -w shows no difference
Signed-off-by: Joe Perches <joe@...ches.com>
---
mm/page_alloc.c | 54 +++++++++++++++++++++++++++---------------------------
1 file changed, 27 insertions(+), 27 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 2d3c10734874..504749032400 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -202,7 +202,7 @@ static void __free_pages_ok(struct page *page, unsigned int order);
* TBD: should special case ZONE_DMA32 machines here - in those we normally
* don't need any ZONE_NORMAL reservation
*/
-int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1] = {
+int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES - 1] = {
#ifdef CONFIG_ZONE_DMA
256,
#endif
@@ -366,7 +366,7 @@ static inline unsigned long *get_pageblock_bitmap(struct page *page,
static inline int pfn_to_bitidx(struct page *page, unsigned long pfn)
{
#ifdef CONFIG_SPARSEMEM
- pfn &= (PAGES_PER_SECTION-1);
+ pfn &= (PAGES_PER_SECTION - 1);
return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS;
#else
pfn = pfn - round_down(page_zone(page)->zone_start_pfn, pageblock_nr_pages);
@@ -395,7 +395,7 @@ static __always_inline unsigned long __get_pfnblock_flags_mask(struct page *page
bitmap = get_pageblock_bitmap(page, pfn);
bitidx = pfn_to_bitidx(page, pfn);
word_bitidx = bitidx / BITS_PER_LONG;
- bitidx &= (BITS_PER_LONG-1);
+ bitidx &= (BITS_PER_LONG - 1);
word = bitmap[word_bitidx];
bitidx += end_bitidx;
@@ -436,7 +436,7 @@ void set_pfnblock_flags_mask(struct page *page, unsigned long flags,
bitmap = get_pageblock_bitmap(page, pfn);
bitidx = pfn_to_bitidx(page, pfn);
word_bitidx = bitidx / BITS_PER_LONG;
- bitidx &= (BITS_PER_LONG-1);
+ bitidx &= (BITS_PER_LONG - 1);
VM_BUG_ON_PAGE(!zone_spans_pfn(page_zone(page), pfn), page);
@@ -867,7 +867,7 @@ static inline void __free_one_page(struct page *page,
* so it's less likely to be used soon and more likely to be merged
* as a higher order page
*/
- if ((order < MAX_ORDER-2) && pfn_valid_within(buddy_pfn)) {
+ if ((order < MAX_ORDER - 2) && pfn_valid_within(buddy_pfn)) {
struct page *higher_page, *higher_buddy;
combined_pfn = buddy_pfn & pfn;
higher_page = page + (combined_pfn - pfn);
@@ -1681,7 +1681,7 @@ static void check_new_page_bad(struct page *page)
static inline int check_new_page(struct page *page)
{
if (likely(page_expected_state(page,
- PAGE_FLAGS_CHECK_AT_PREP|__PG_HWPOISON)))
+ PAGE_FLAGS_CHECK_AT_PREP | __PG_HWPOISON)))
return 0;
check_new_page_bad(page);
@@ -1899,7 +1899,7 @@ int move_freepages_block(struct zone *zone, struct page *page,
struct page *start_page, *end_page;
start_pfn = page_to_pfn(page);
- start_pfn = start_pfn & ~(pageblock_nr_pages-1);
+ start_pfn = start_pfn & ~(pageblock_nr_pages - 1);
start_page = pfn_to_page(start_pfn);
end_page = start_page + pageblock_nr_pages - 1;
end_pfn = start_pfn + pageblock_nr_pages - 1;
@@ -2021,7 +2021,7 @@ static void steal_suitable_fallback(struct zone *zone, struct page *page,
* If a sufficient number of pages in the block are either free or of
* comparable migratability as our allocation, claim the whole block.
*/
- if (free_pages + alike_pages >= (1 << (pageblock_order-1)) ||
+ if (free_pages + alike_pages >= (1 << (pageblock_order - 1)) ||
page_group_by_mobility_disabled)
set_pageblock_migratetype(page, start_type);
@@ -2205,8 +2205,8 @@ __rmqueue_fallback(struct zone *zone, unsigned int order, int start_migratetype)
bool can_steal;
/* Find the largest possible block of pages in the other list */
- for (current_order = MAX_ORDER-1;
- current_order >= order && current_order <= MAX_ORDER-1;
+ for (current_order = MAX_ORDER - 1;
+ current_order >= order && current_order <= MAX_ORDER - 1;
--current_order) {
area = &(zone->free_area[current_order]);
fallback_mt = find_suitable_fallback(area, current_order,
@@ -3188,7 +3188,7 @@ __alloc_pages_cpuset_fallback(gfp_t gfp_mask, unsigned int order,
struct page *page;
page = get_page_from_freelist(gfp_mask, order,
- alloc_flags|ALLOC_CPUSET, ac);
+ alloc_flags | ALLOC_CPUSET, ac);
/*
* fallback to ignore cpuset restriction if our nodes
* are depleted
@@ -3231,7 +3231,7 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
* we're still under heavy pressure.
*/
page = get_page_from_freelist(gfp_mask | __GFP_HARDWALL, order,
- ALLOC_WMARK_HIGH|ALLOC_CPUSET, ac);
+ ALLOC_WMARK_HIGH | ALLOC_CPUSET, ac);
if (page)
goto out;
@@ -3518,7 +3518,7 @@ gfp_to_alloc_flags(gfp_t gfp_mask)
unsigned int alloc_flags = ALLOC_WMARK_MIN | ALLOC_CPUSET;
/* __GFP_HIGH is assumed to be the same as ALLOC_HIGH to save a branch. */
- BUILD_BUG_ON(__GFP_HIGH != (__force gfp_t) ALLOC_HIGH);
+ BUILD_BUG_ON(__GFP_HIGH != (__force gfp_t)ALLOC_HIGH);
/*
* The caller may dip into page reserves a bit more if the caller
@@ -3526,7 +3526,7 @@ gfp_to_alloc_flags(gfp_t gfp_mask)
* policy or is asking for __GFP_HIGH memory. GFP_ATOMIC requests will
* set both ALLOC_HARDER (__GFP_ATOMIC) and ALLOC_HIGH (__GFP_HIGH).
*/
- alloc_flags |= (__force int) (gfp_mask & __GFP_HIGH);
+ alloc_flags |= (__force int)(gfp_mask & __GFP_HIGH);
if (gfp_mask & __GFP_ATOMIC) {
/*
@@ -3642,7 +3642,7 @@ should_reclaim_retry(gfp_t gfp_mask, unsigned order,
NR_ZONE_WRITE_PENDING);
if (2 * write_pending > reclaimable) {
- congestion_wait(BLK_RW_ASYNC, HZ/10);
+ congestion_wait(BLK_RW_ASYNC, HZ / 10);
return true;
}
}
@@ -3700,8 +3700,8 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
* We also sanity check to catch abuse of atomic reserves being used by
* callers that are not in atomic context.
*/
- if (WARN_ON_ONCE((gfp_mask & (__GFP_ATOMIC|__GFP_DIRECT_RECLAIM)) ==
- (__GFP_ATOMIC|__GFP_DIRECT_RECLAIM)))
+ if (WARN_ON_ONCE((gfp_mask & (__GFP_ATOMIC | __GFP_DIRECT_RECLAIM)) ==
+ (__GFP_ATOMIC | __GFP_DIRECT_RECLAIM)))
gfp_mask &= ~__GFP_ATOMIC;
retry_cpuset:
@@ -3816,7 +3816,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
if (time_after(jiffies, alloc_start + stall_timeout)) {
warn_alloc(gfp_mask & ~__GFP_NOWARN, ac->nodemask,
"page allocation stalls for %ums, order:%u",
- jiffies_to_msecs(jiffies-alloc_start), order);
+ jiffies_to_msecs(jiffies - alloc_start), order);
stall_timeout += 10 * HZ;
}
@@ -4063,7 +4063,7 @@ unsigned long __get_free_pages(gfp_t gfp_mask, unsigned int order)
page = alloc_pages(gfp_mask, order);
if (!page)
return 0;
- return (unsigned long) page_address(page);
+ return (unsigned long)page_address(page);
}
EXPORT_SYMBOL(__get_free_pages);
@@ -4452,7 +4452,7 @@ static bool show_mem_node_skip(unsigned int flags, int nid, nodemask_t *nodemask
return !node_isset(nid, *nodemask);
}
-#define K(x) ((x) << (PAGE_SHIFT-10))
+#define K(x) ((x) << (PAGE_SHIFT - 10))
static void show_migration_types(unsigned char type)
{
@@ -4754,7 +4754,7 @@ char numa_zonelist_order[16] = "default";
* interface for configure zonelist ordering.
* command line option "numa_zonelist_order"
* = "[dD]efault - default, automatic configuration.
- * = "[nN]ode - order by node locality, then by zone within node
+ * = "[nN]ode - order by node locality, then by zone within node
* = "[zZ]one - order by zone, then by locality within zone
*/
@@ -4881,7 +4881,7 @@ static int find_next_best_node(int node, nodemask_t *used_node_mask)
val += PENALTY_FOR_NODE_WITH_CPUS;
/* Slight preference for less loaded node */
- val *= (MAX_NODE_LOAD*MAX_NUMNODES);
+ val *= (MAX_NODE_LOAD * MAX_NUMNODES);
val += node_load[n];
if (val < min_val) {
@@ -5381,7 +5381,7 @@ static int zone_batchsize(struct zone *zone)
* of pages of one half of the possible page colors
* and the other with pages of the other colors.
*/
- batch = rounddown_pow_of_two(batch + batch/2) - 1;
+ batch = rounddown_pow_of_two(batch + batch / 2) - 1;
return batch;
@@ -5914,7 +5914,7 @@ static unsigned long __init usemap_size(unsigned long zone_start_pfn, unsigned l
{
unsigned long usemapsize;
- zonesize += zone_start_pfn & (pageblock_nr_pages-1);
+ zonesize += zone_start_pfn & (pageblock_nr_pages - 1);
usemapsize = roundup(zonesize, pageblock_nr_pages);
usemapsize = usemapsize >> pageblock_order;
usemapsize *= NR_PAGEBLOCK_BITS;
@@ -7224,7 +7224,7 @@ void *__init alloc_large_system_hash(const char *tablename,
/* It isn't necessary when PAGE_SIZE >= 1MB */
if (PAGE_SHIFT < 20)
- numentries = round_up(numentries, (1<<20)/PAGE_SIZE);
+ numentries = round_up(numentries, (1 << 20) / PAGE_SIZE);
if (flags & HASH_ADAPT) {
unsigned long adapt;
@@ -7345,7 +7345,7 @@ bool has_unmovable_pages(struct zone *zone, struct page *page, int count,
* handle each tail page individually in migration.
*/
if (PageHuge(page)) {
- iter = round_up(iter + 1, 1<<compound_order(page)) - 1;
+ iter = round_up(iter + 1, 1 << compound_order(page)) - 1;
continue;
}
@@ -7718,7 +7718,7 @@ __offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn)
rmv_page_order(page);
zone->free_area[order].nr_free--;
for (i = 0; i < (1 << order); i++)
- SetPageReserved((page+i));
+ SetPageReserved((page + i));
pfn += (1 << order);
}
spin_unlock_irqrestore(&zone->lock, flags);
--
2.10.0.rc2.1.g053435c
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