linux-kernel - [PATCH 04/23] agp: Make agp_generic_[alloc|destroy]_pages use the _agp_[alloc|free]

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Message-Id: <1291677875-30493-5-git-send-email-konrad.wilk@oracle.com>
Date:	Mon,  6 Dec 2010 18:24:16 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	airlied@...ux.ie, tglx@...utronix.de, hpa@...or.com,
	airlied@...hat.com, linux-kernel@...r.kernel.org, konrad@...nel.org
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [PATCH 04/23] agp: Make agp_generic_[alloc|destroy]_pages use the _agp_[alloc|free]_page macro.

This way when we want to opt in a platform to use the PCI DMA it
is just the matter of changing the implementation in
arch/<platform>/include/asm/agp.h

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
---
 drivers/char/agp/generic.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index bcefc66..cf465b5 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -1233,7 +1233,7 @@ int agp_generic_alloc_pages(struct agp_bridge_data *bridge, struct agp_memory *m
 	int i, ret = -ENOMEM;
 
 	for (i = 0; i < num_pages; i++) {
-		page = alloc_page(GFP_KERNEL | GFP_DMA32 | __GFP_ZERO);
+		page = _agp_alloc_page(agp_bridge, &mem->dma_addr[i]);
 		/* agp_free_memory() needs gart address */
 		if (page == NULL)
 			goto out;
@@ -1292,7 +1292,7 @@ void agp_generic_destroy_pages(struct agp_memory *mem)
 		unmap_page_from_agp(page);
 #endif
 		put_page(page);
-		__free_page(page);
+		_agp_free_page(agp_bridge, page, &mem->dma_addr[i]);
 		atomic_dec(&agp_bridge->current_memory_agp);
 		mem->pages[i] = NULL;
 	}
-- 
1.7.1

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