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x86: use numa allocation function in i386

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We can do it here to, in the same way x86_64 does.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Glauber Costa 2008-04-08 13:21:02 -03:00 committed by Ingo Molnar
parent 71848d687e
commit d1a0790290
1 changed files with 22 additions and 5 deletions
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25
arch/x86/kernel/pci-dma_32.c
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@ -48,10 +48,23 @@ static int dma_release_coherent(struct device *dev, int order, void *vaddr)
return 0;
}
/* Allocate DMA memory on node near device */
noinline struct page *
dma_alloc_pages(struct device *dev, gfp_t gfp, unsigned order)
{
int node;
node = dev_to_node(dev);
return alloc_pages_node(node, gfp, order);
}
void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp)
{
void *ret = NULL;
struct page *page;
dma_addr_t bus;
int order = get_order(size);
/* ignore region specifiers */
gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
@ -62,12 +75,16 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
if (dev == NULL || (dev->coherent_dma_mask < 0xffffffff))
gfp |= GFP_DMA;
ret = (void *)__get_free_pages(gfp, order);
page = dma_alloc_pages(dev, gfp, order);
if (page == NULL)
return NULL;
ret = page_address(page);
bus = page_to_phys(page);
if (ret != NULL) {
memset(ret, 0, size);
*dma_handle = virt_to_phys(ret);
}
*dma_handle = bus;
return ret;
}
EXPORT_SYMBOL(dma_alloc_coherent);