linux-kernel - [PATCH 5/5] swiotlb: remove GFP_DMA hack in swiotlb_alloc

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Date:	Mon,  8 Sep 2008 18:10:14 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...hat.com, joerg.roedel@....com, tony.luck@...el.com,
	linux-ia64@...r.kernel.org, iommu@...ts.linux-foundation.org,
	fujita.tomonori@....ntt.co.jp
Subject: [PATCH 5/5] swiotlb: remove GFP_DMA hack in swiotlb_alloc_coherent

The callers are supposed to set up the gfp flags appropriately.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
---
 lib/swiotlb.c |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 977edbd..3066ffe 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -467,13 +467,6 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
 	void *ret;
 	int order = get_order(size);
 
-	/*
-	 * XXX fix me: the DMA API should pass us an explicit DMA mask
-	 * instead, or use ZONE_DMA32 (ia64 overloads ZONE_DMA to be a ~32
-	 * bit range instead of a 16MB one).
-	 */
-	flags |= GFP_DMA;
-
 	ret = (void *)__get_free_pages(flags, order);
 	if (ret && address_needs_mapping(hwdev, virt_to_bus(ret))) {
 		/*
-- 
1.5.5.GIT

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