MIPS: vDSO: Fix Malta EVA mapping to vDSO page structs

[cascardo/linux.git] / arch / mips / kernel / vdso.c

diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c
index 9abe447..f9dbfb1 100644 (file)
--- a/arch/mips/kernel/vdso.c
+++ b/arch/mips/kernel/vdso.c
@@ -39,16 +39,16 @@ static struct vm_special_mapping vdso_vvar_mapping = {
 static void __init init_vdso_image(struct mips_vdso_image *image)
 {
        unsigned long num_pages, i;
+       unsigned long data_pfn;
 
        BUG_ON(!PAGE_ALIGNED(image->data));
        BUG_ON(!PAGE_ALIGNED(image->size));
 
        num_pages = image->size / PAGE_SIZE;
 
-       for (i = 0; i < num_pages; i++) {
-               image->mapping.pages[i] =
-                       virt_to_page(image->data + (i * PAGE_SIZE));
-       }
+       data_pfn = __phys_to_pfn(__pa_symbol(image->data));
+       for (i = 0; i < num_pages; i++)
+               image->mapping.pages[i] = pfn_to_page(data_pfn + i);
 }
 
 static int __init init_vdso(void)