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Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7f328cfb137d..094587a4ed81 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1525,7 +1525,7 @@ static inline bool free_pages_prezeroed(bool poisoned)
}
static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags,
- int alloc_flags)
+ unsigned int alloc_flags)
{
int i;
bool poisoned = true;
@@ -2391,7 +2391,8 @@ static inline void zone_statistics(struct zone *preferred_zone, struct zone *z,
static inline
struct page *buffered_rmqueue(struct zone *preferred_zone,
struct zone *zone, unsigned int order,
- gfp_t gfp_flags, int alloc_flags, int migratetype)
+ gfp_t gfp_flags, unsigned int alloc_flags,
+ int migratetype)
{
unsigned long flags;
struct page *page;
@@ -2545,12 +2546,13 @@ static inline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
* to check in the allocation paths if no pages are free.
*/
static bool __zone_watermark_ok(struct zone *z, unsigned int order,
- unsigned long mark, int classzone_idx, int alloc_flags,
+ unsigned long mark, int classzone_idx,
+ unsigned int alloc_flags,
long free_pages)
{
long min = mark;
int o;
- const int alloc_harder = (alloc_flags & ALLOC_HARDER);
+ const bool alloc_harder = (alloc_flags & ALLOC_HARDER);
/* free_pages may go negative - that's OK */
free_pages -= (1 << order) - 1;
@@ -2613,7 +2615,7 @@ static bool __zone_watermark_ok(struct zone *z, unsigned int order,
}
bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
- int classzone_idx, int alloc_flags)
+ int classzone_idx, unsigned int alloc_flags)
{
return __zone_watermark_ok(z, order, mark, classzone_idx, alloc_flags,
zone_page_state(z, NR_FREE_PAGES));
@@ -2957,7 +2959,7 @@ out:
/* Try memory compaction for high-order allocations before reclaim */
static struct page *
__alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order,
- int alloc_flags, const struct alloc_context *ac,
+ unsigned int alloc_flags, const struct alloc_context *ac,
enum migrate_mode mode, int *contended_compaction,
bool *deferred_compaction)
{
@@ -3013,7 +3015,7 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order,
#else
static inline struct page *
__alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order,
- int alloc_flags, const struct alloc_context *ac,
+ unsigned int alloc_flags, const struct alloc_context *ac,
enum migrate_mode mode, int *contended_compaction,
bool *deferred_compaction)
{
@@ -3053,7 +3055,7 @@ __perform_reclaim(gfp_t gfp_mask, unsigned int order,
/* The really slow allocator path where we enter direct reclaim */
static inline struct page *
__alloc_pages_direct_reclaim(gfp_t gfp_mask, unsigned int order,
- int alloc_flags, const struct alloc_context *ac,
+ unsigned int alloc_flags, const struct alloc_context *ac,
unsigned long *did_some_progress)
{
struct page *page = NULL;
@@ -3092,10 +3094,10 @@ static void wake_all_kswapds(unsigned int order, const struct alloc_context *ac)
wakeup_kswapd(zone, order, zone_idx(ac->preferred_zone));
}
-static inline int
+static inline unsigned int
gfp_to_alloc_flags(gfp_t gfp_mask)
{
- int alloc_flags = ALLOC_WMARK_MIN | ALLOC_CPUSET;
+ 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);
@@ -3156,7 +3158,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
{
bool can_direct_reclaim = gfp_mask & __GFP_DIRECT_RECLAIM;
struct page *page = NULL;
- int alloc_flags;
+ unsigned int alloc_flags;
unsigned long pages_reclaimed = 0;
unsigned long did_some_progress;
enum migrate_mode migration_mode = MIGRATE_ASYNC;
@@ -3348,7 +3350,7 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
struct zoneref *preferred_zoneref;
struct page *page = NULL;
unsigned int cpuset_mems_cookie;
- int alloc_flags = ALLOC_WMARK_LOW|ALLOC_FAIR;
+ unsigned int alloc_flags = ALLOC_WMARK_LOW|ALLOC_FAIR;
gfp_t alloc_mask; /* The gfp_t that was actually used for allocation */
struct alloc_context ac = {
.high_zoneidx = gfp_zone(gfp_mask),