Re: [PATCH 1/3 v2] mm: Batch unmapping of file mapped pages inshrink_page_list

[Andrew Morton]

On Mon, 10 Sep 2012 09:19:25 -0700
Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx> wrote:

> @@ -1014,6 +1090,9 @@ keep_lumpy:

I worry that your tree has the label "keep_lumpy" in it!  Are you
developing against recent kernels?

>  		VM_BUG_ON(PageLRU(page) || PageUnevictable(page));
>  	}
>  
> +	nr_reclaimed += __remove_mapping_batch(&unmap_pages, &ret_pages,
> +					       &free_pages);
> +
>  	/*
>  	 * Tag a zone as congested if all the dirty pages encountered were
>  	 * backed by a congested BDI. In this case, reclaimers should just
> 
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