diff options
Diffstat (limited to 'arch/frv/mm/dma-alloc.c')
| -rw-r--r-- | arch/frv/mm/dma-alloc.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/arch/frv/mm/dma-alloc.c b/arch/frv/mm/dma-alloc.c index 4b38d45435f..7a73aaeae3a 100644 --- a/arch/frv/mm/dma-alloc.c +++ b/arch/frv/mm/dma-alloc.c @@ -21,7 +21,6 @@ * published by the Free Software Foundation. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/signal.h> #include <linux/sched.h> @@ -37,10 +36,11 @@ #include <linux/vmalloc.h> #include <linux/init.h> #include <linux/pci.h> +#include <linux/hardirq.h> +#include <linux/gfp.h> #include <asm/pgalloc.h> #include <asm/io.h> -#include <asm/hardirq.h> #include <asm/mmu_context.h> #include <asm/pgtable.h> #include <asm/mmu.h> @@ -55,21 +55,18 @@ static int map_page(unsigned long va, unsigned long pa, pgprot_t prot) pte_t *pte; int err = -ENOMEM; - spin_lock(&init_mm.page_table_lock); - /* Use upper 10 bits of VA to index the first level map */ pge = pgd_offset_k(va); pue = pud_offset(pge, va); pme = pmd_offset(pue, va); /* Use middle 10 bits of VA to index the second-level map */ - pte = pte_alloc_kernel(&init_mm, pme, va); + pte = pte_alloc_kernel(pme, va); if (pte != 0) { err = 0; set_pte(pte, mk_pte_phys(pa & PAGE_MASK, prot)); } - spin_unlock(&init_mm.page_table_lock); return err; } @@ -81,7 +78,7 @@ static int map_page(unsigned long va, unsigned long pa, pgprot_t prot) * portions of the kernel with single large page TLB entries, and * still get unique uncached pages for consistent DMA. */ -void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle) +void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle) { struct vm_struct *area; unsigned long page, va, pa; @@ -118,9 +115,7 @@ void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle) */ if (order > 0) { struct page *rpage = virt_to_page(page); - - for (i = 1; i < (1 << order); i++) - set_page_count(rpage + i, 1); + split_page(rpage, order); } err = 0; |