Re: [PATCH] for_each_zone / for_each_pgdat

[Pavel Machek <pavel@ucw.cz>]

Hi!

> replace slightly obscure while loops with for_each_zone and
> for_each_pgdat macros, this version has the added optimisation
> of skipping empty zones       (thanks to William Lee Irwin)

@@ -501,7 +497,7 @@
        pg_data_t *pgdat = pgdat_list;
        unsigned int sum = 0;

-       do {
+       for_each_pgdat(pgdat) {
                zonelist_t *zonelist = pgdat->node_zonelists +
(GFP_USER & GFP_ZONEMASK);
                zone_t **zonep = zonelist->zones;
                zone_t *zone;

You can kill pgdat initialization here.
									Pavel
-- 
(about SSSCA) "I don't say this lightly.  However, I really think that the U.S.
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