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Diffstat (limited to 'arch/ppc/kernel/dma-mapping.c')
-rw-r--r--arch/ppc/kernel/dma-mapping.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/ppc/kernel/dma-mapping.c b/arch/ppc/kernel/dma-mapping.c
index 685fd0defe2..61465ec88bc 100644
--- a/arch/ppc/kernel/dma-mapping.c
+++ b/arch/ppc/kernel/dma-mapping.c
@@ -223,6 +223,8 @@ __dma_alloc_coherent(size_t size, dma_addr_t *handle, gfp_t gfp)
pte_t *pte = consistent_pte + CONSISTENT_OFFSET(vaddr);
struct page *end = page + (1 << order);
+ split_page(page, order);
+
/*
* Set the "dma handle"
*/
@@ -231,7 +233,6 @@ __dma_alloc_coherent(size_t size, dma_addr_t *handle, gfp_t gfp)
do {
BUG_ON(!pte_none(*pte));
- set_page_count(page, 1);
SetPageReserved(page);
set_pte_at(&init_mm, vaddr,
pte, mk_pte(page, pgprot_noncached(PAGE_KERNEL)));
@@ -244,7 +245,6 @@ __dma_alloc_coherent(size_t size, dma_addr_t *handle, gfp_t gfp)
* Free the otherwise unused pages.
*/
while (page < end) {
- set_page_count(page, 1);
__free_page(page);
page++;
}