MIPS: Randomize mmap if randomize_va_space is set

[sfrench/cifs-2.6.git] / arch / mips / include / asm / processor.h

diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 5d33b727acf51eeedec4b43525f2452351f66465..24d91f8618f077174baa784b7ef7dc95ec0e7244 100644 (file)
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -33,6 +33,11 @@ extern void (*cpu_wait)(void);
 
 extern unsigned int vced_count, vcei_count;
 
+/*
+ * MIPS does have an arch_pick_mmap_layout()
+ */
+#define HAVE_ARCH_PICK_MMAP_LAYOUT 1
+
 /*
  * A special page (the vdso) is mapped into all processes at the very
  * top of the virtual memory space.
@@ -52,6 +57,9 @@ extern unsigned int vced_count, vcei_count;
  * space during mmap's.
  */
 #define TASK_UNMAPPED_BASE     ((TASK_SIZE / 3) & ~(PAGE_SIZE))
+
+#define TASK_IS_32BIT_ADDR 1
+
 #endif
 
 #ifdef CONFIG_64BIT
@@ -77,6 +85,9 @@ extern unsigned int vced_count, vcei_count;
                PAGE_ALIGN(TASK_SIZE32 / 3) : PAGE_ALIGN(TASK_SIZE / 3))
 #define TASK_SIZE_OF(tsk)                                              \
        (test_tsk_thread_flag(tsk, TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
+
+#define TASK_IS_32BIT_ADDR test_thread_flag(TIF_32BIT_ADDR)
+
 #endif
 
 #ifdef __KERNEL__