From 83a92529c1789f86481190743a6bb09f31ec39a8 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 19 Dec 2011 13:46:35 +0100 Subject: microblaze: mm: Fix lowmem max memory size limits Use CONFIG_LOWMEM_SIZE if system has larger ram size. For system with larger ram size, enable HIGMEM support. Also setup limitation for memblock and use memblock allocation in lowmem region. Signed-off-by: Michal Simek --- arch/microblaze/include/asm/uaccess.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/microblaze/include/asm/uaccess.h') diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 072b0077abf..ef25f7538d4 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -80,7 +80,7 @@ extern unsigned long search_exception_table(unsigned long); static inline int ___range_ok(unsigned long addr, unsigned long size) { return ((addr < memory_start) || - ((addr + size) > memory_end)); + ((addr + size - 1) > (memory_start + memory_size - 1))); } #define __range_ok(addr, size) \ -- cgit v1.2.3