vserver 2.0 rc7

[linux-2.6.git] / include / asm-um / page.h

diff --git a/include/asm-um/page.h b/include/asm-um/page.h
index 3620a08..5afee8a 100644 (file)
--- a/include/asm-um/page.h
+++ b/include/asm-um/page.h
@@ -27,7 +27,7 @@ struct page;
 #define clear_user_page(page, vaddr, pg)       clear_page(page)
 #define copy_user_page(to, from, vaddr, pg)    copy_page(to, from)
 
-#if defined(CONFIG_3_LEVEL_PGTABLES) && !defined(CONFIG_64_BIT)
+#if defined(CONFIG_3_LEVEL_PGTABLES) && !defined(CONFIG_64BIT)
 
 typedef struct { unsigned long pte_low, pte_high; } pte_t;
 typedef struct { unsigned long long pmd; } pmd_t;
@@ -45,6 +45,9 @@ typedef struct { unsigned long pgd; } pgd_t;
        ({ (pte).pte_high = (phys) >> 32; \
           (pte).pte_low = (phys) | pgprot_val(prot); })
 
+#define pmd_val(x)     ((x).pmd)
+#define __pmd(x) ((pmd_t) { (x) } )
+
 typedef unsigned long long pfn_t;
 typedef unsigned long long phys_t;
 
@@ -95,7 +98,13 @@ extern unsigned long uml_physmem;
 
 extern unsigned long to_phys(void *virt);
 extern void *to_virt(unsigned long phys);
-#define __pa(virt) to_phys((void *) virt)
+
+/* Cast to unsigned long before casting to void * to avoid a warning from
+ * mmap_kmem about cutting a long long down to a void *.  Not sure that
+ * casting is the right thing, but 32-bit UML can't have 64-bit virtual
+ * addresses
+ */
+#define __pa(virt) to_phys((void *) (unsigned long) virt)
 #define __va(phys) to_virt((unsigned long) phys)
 
 #define page_to_pfn(page) ((page) - mem_map)