[PATCH] lib: Replace calls to __get_free_pages() with __get_dma_pages().

From: Robert P. J. Day
Date: Tue Jun 05 2007 - 17:00:55 EST



Replace a couple calls to __get_free_pages() with the corresponding
calls to __get_dma_pages().

Signed-off-by: Robert P. J. Day <rpjday@xxxxxxxxxxxxxx>

---

that's the lot of them.

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 10c13ad..8fc38dc 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -201,8 +201,7 @@ swiotlb_late_init_with_default_size(size_t default_size)
bytes = io_tlb_nslabs << IO_TLB_SHIFT;

while ((SLABS_PER_PAGE << order) > IO_TLB_MIN_SLABS) {
- io_tlb_start = (char *)__get_free_pages(GFP_DMA | __GFP_NOWARN,
- order);
+ io_tlb_start = (char *)__get_dma_pages(__GFP_NOWARN, order);
if (io_tlb_start)
break;
order--;
@@ -244,7 +243,7 @@ swiotlb_late_init_with_default_size(size_t default_size)
/*
* Get the overflow emergency buffer
*/
- io_tlb_overflow_buffer = (void *)__get_free_pages(GFP_DMA,
+ io_tlb_overflow_buffer = (void *)__get_dma_pages(0,
get_order(io_tlb_overflow));
if (!io_tlb_overflow_buffer)
goto cleanup4;
@@ -449,9 +448,8 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
* 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);
+ ret = (void *)__get_dma_pages(flags, order);
if (ret && address_needs_mapping(hwdev, virt_to_bus(ret))) {
/*
* The allocated memory isn't reachable by the device.
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://fsdev.net/wiki/index.php?title=Main_Page
========================================================================
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/