Re: [RESEND PATCH v5 1/4] mm/vmalloc: don't set area->caller twice

From: KOSAKI Motohiro
Date: Mon Sep 16 2013 - 17:28:18 EST


On 9/14/2013 7:45 PM, Wanpeng Li wrote:
> Changelog:
> *v1 -> v2: rebase against mmotm tree
>
> The caller address has already been set in set_vmalloc_vm(), there's no need

setup_vmalloc_vm()

> to set it again in __vmalloc_area_node.
>
> Reviewed-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
> Signed-off-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
> ---
> mm/vmalloc.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index 1074543..d78d117 100644
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -1566,7 +1566,6 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
> pages = kmalloc_node(array_size, nested_gfp, node);
> }
> area->pages = pages;
> - area->caller = caller;
> if (!area->pages) {
> remove_vm_area(area->addr);
> kfree(area);

Then, __vmalloc_area_node() no longer need "caller" argument. It can use area->caller instead.


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