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DateFri, 11 Jan 2008 15:24:34 +0900
FromKOSAKI Motohiro <>
SubjectRe: [patch 05/19] split LRU lists into anon & file sets
Hi Rik

> +static inline int is_file_lru(enum lru_list l)
> +{
> +	BUILD_BUG_ON(LRU_INACTIVE_FILE != 2 || LRU_ACTIVE_FILE != 3);
> +	return (l/2 == 1);
> +}

below patch is a bit cleanup proposal.
i think LRU_FILE is more clarify than "/2".

What do you think it?



Index: linux-2.6.24-rc6-mm1-rvr/include/linux/mmzone.h
===================================================================
--- linux-2.6.24-rc6-mm1-rvr.orig/include/linux/mmzone.h        2008-01-11 11:10:30.000000000 +0900
+++ linux-2.6.24-rc6-mm1-rvr/include/linux/mmzone.h     2008-01-11 14:40:31.000000000 +0900
@@ -147,7 +147,7 @@
 static inline int is_file_lru(enum lru_list l)
 {
        BUILD_BUG_ON(LRU_INACTIVE_FILE != 2 || LRU_ACTIVE_FILE != 3);
-       return (l/2 == 1);
+       return !!(l & LRU_FILE);
 }

 struct per_cpu_pages {




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