[PATCH] mm: change tlb_finish_mmu() to be more simple

From: yalin wang
Date: Wed Nov 04 2015 - 02:35:49 EST


This patch remove unneeded *next temp variable,
make this function more simple to read.

Signed-off-by: yalin wang <yalin.wang2010@xxxxxxxxx>
---
mm/memory.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index 7f3b9f2..f0040ed 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -270,17 +270,16 @@ void tlb_flush_mmu(struct mmu_gather *tlb)
*/
void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
{
- struct mmu_gather_batch *batch, *next;
+ struct mmu_gather_batch *batch;

tlb_flush_mmu(tlb);

/* keep the page table cache within bounds */
check_pgt_cache();

- for (batch = tlb->local.next; batch; batch = next) {
- next = batch->next;
+ for (batch = tlb->local.next; batch; batch = batch->next)
free_pages((unsigned long)batch, 0);
- }
+
tlb->local.next = NULL;
}

--
1.9.1

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