On Wed, Nov 04, 2015 at 03:35:31PM +0800, yalin wang wrote:
> 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)
Use after free? No, thanks.
> free_pages((unsigned long)batch, 0);
> - }
> +
> tlb->local.next = NULL;
> }
>
> --
> 1.9.1
>
> --
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--
Kirill A. Shutemov
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