* use page_to_pfn() in __blk_queue_bounce()
@ 2003-03-25 12:42 William Lee Irwin III
0 siblings, 0 replies; only message in thread
From: William Lee Irwin III @ 2003-03-25 12:42 UTC (permalink / raw)
To: akpm; +Cc: linux-kernel
__blk_queue_bounce() contains an open-coded page_to_pfn() for the
discontig, non-MAP_NR_DENSE() case (wherever MAP_NR_DENSE() went).
This converts it to use the standard page_to_pfn() abstraction.
-- wli
diff -urpN linux-2.5.66/mm/highmem.c merge-2.5.66-1/mm/highmem.c
--- linux-2.5.66/mm/highmem.c 2003-03-24 14:00:50.000000000 -0800
+++ merge-2.5.66-1/mm/highmem.c 2003-03-25 04:08:01.000000000 -0800
@@ -381,7 +381,7 @@ static void __blk_queue_bounce(request_q
/*
* is destination page below bounce pfn?
*/
- if ((page - page_zone(page)->zone_mem_map) + (page_zone(page)->zone_start_pfn) < q->bounce_pfn)
+ if (page_to_pfn(page) < q->bounce_pfn)
continue;
/*
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2003-03-25 12:42 use page_to_pfn() in __blk_queue_bounce() William Lee Irwin III
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