X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsh%2Fmm%2Fconsistent.c;h=38c82d890ffda6a5cb332ad3b387bde0476dc551;hb=refs%2Fheads%2Fvserver;hp=789bacf1a7aa4714b282ed045f59a38d8558df8d;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git

diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index 789bacf1a..38c82d890 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -9,9 +9,11 @@
  */
 #include <linux/mm.h>
 #include <linux/dma-mapping.h>
+#include <asm/cacheflush.h>
+#include <asm/addrspace.h>
 #include <asm/io.h>
 
-void *consistent_alloc(int gfp, size_t size, dma_addr_t *handle)
+void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *handle)
 {
 	struct page *page, *end, *free;
 	void *ret;
@@ -23,8 +25,10 @@ void *consistent_alloc(int gfp, size_t size, dma_addr_t *handle)
 	page = alloc_pages(gfp, order);
 	if (!page)
 		return NULL;
+	split_page(page, order);
 
 	ret = page_address(page);
+	memset(ret, 0, size);
 	*handle = virt_to_phys(ret);
 
 	/*
@@ -37,8 +41,6 @@ void *consistent_alloc(int gfp, size_t size, dma_addr_t *handle)
 	end  = page + (1 << order);
 
 	while (++page < end) {
-		set_page_count(page, 1);
-
 		/* Free any unused pages */
 		if (page >= free) {
 			__free_page(page);
@@ -78,4 +80,8 @@ void consistent_sync(void *vaddr, size_t size, int direction)
 		BUG();
 	}
 }
+
+EXPORT_SYMBOL(consistent_alloc);
+EXPORT_SYMBOL(consistent_free);
 EXPORT_SYMBOL(consistent_sync);
+