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mm/memory.c: make tlb_next_batch() return bool

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This makes the tlb_next_batch() bool due to this particular function only
ever returning either one or zero as its return value.

Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nicholas Krause
2015-09-04 15:48:22 -07:00
committed by Linus Torvalds
parent d9e7e37b4d
commit ca1d6c7d9d
1 changed files with 5 additions and 5 deletions
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10
mm/memory.c
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@@ -181,22 +181,22 @@ static void check_sync_rss_stat(struct task_struct *task)
#ifdef HAVE_GENERIC_MMU_GATHER #ifdef HAVE_GENERIC_MMU_GATHER
static int tlb_next_batch(struct mmu_gather *tlb) static bool tlb_next_batch(struct mmu_gather *tlb)
{ {
struct mmu_gather_batch *batch; struct mmu_gather_batch *batch;
batch = tlb->active; batch = tlb->active;
if (batch->next) { if (batch->next) {
tlb->active = batch->next; tlb->active = batch->next;
return 1; return true;
} }
if (tlb->batch_count == MAX_GATHER_BATCH_COUNT) if (tlb->batch_count == MAX_GATHER_BATCH_COUNT)
return 0; return false;
batch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0); batch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);
if (!batch) if (!batch)
return 0; return false;
tlb->batch_count++; tlb->batch_count++;
batch->next = NULL; batch->next = NULL;
@@ -206,7 +206,7 @@ static int tlb_next_batch(struct mmu_gather *tlb)
tlb->active->next = batch; tlb->active->next = batch;
tlb->active = batch; tlb->active = batch;
return 1; return true;
} }
/* tlb_gather_mmu /* tlb_gather_mmu