arm: don't limit mmap at address 0

Pandora's Cortex-A8 uses high vectors, so we can map there -
might be useful for some emulators.

diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index b1e71b4..1ce99a7 100644 (file)
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -63,6 +63,12 @@ extern void __pgd_error(const char *file, int line, pgd_t);
  */
 #define FIRST_USER_ADDRESS     PAGE_SIZE
 
+/* OMAP hack - high vector CPUs, so don't limit it */
+#ifdef CONFIG_ARCH_OMAP
+#undef FIRST_USER_ADDRESS
+#define FIRST_USER_ADDRESS     0
+#endif
+
 /*
  * The pgprot_* and protection_map entries will be fixed up in runtime
  * to include the cachable and bufferable bits based on memory policy,