Pull dock-bay into release branch

[sfrench/cifs-2.6.git] / include / asm-x86_64 / page.h

diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h
index dee632fa457d2a8fe5e7eb48168521618b0c4fa8..88adf1afb0a28ce66caac316f8d997c99c569a03 100644 (file)
--- a/include/asm-x86_64/page.h
+++ b/include/asm-x86_64/page.h
@@ -48,7 +48,8 @@ void copy_page(void *, void *);
 #define clear_user_page(page, vaddr, pg)       clear_page(page)
 #define copy_user_page(to, from, vaddr, pg)    copy_page(to, from)
 
-#define alloc_zeroed_user_highpage(vma, vaddr) alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr)
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+       alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
 #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
 /*
  * These are used to make use of C type-checking..
@@ -80,6 +81,15 @@ extern unsigned long phys_base;
 #define __PHYSICAL_START       CONFIG_PHYSICAL_START
 #define __KERNEL_ALIGN         0x200000
 
+/*
+ * Make sure kernel is aligned to 2MB address. Catching it at compile
+ * time is better. Change your config file and compile the kernel
+ * for a 2MB aligned address (CONFIG_PHYSICAL_START)
+ */
+#if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0
+#error "CONFIG_PHYSICAL_START must be a multiple of 2MB"
+#endif
+
 #define __START_KERNEL         (__START_KERNEL_map + __PHYSICAL_START)
 #define __START_KERNEL_map     _AC(0xffffffff80000000, UL)
 #define __PAGE_OFFSET           _AC(0xffff810000000000, UL)