diff options
Diffstat (limited to 'arch/sh/mm/init.c')
| -rw-r--r-- | arch/sh/mm/init.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 58a93fb3d965..939ca0f356f6 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -18,6 +18,7 @@ #include <linux/io.h> #include <linux/memblock.h> #include <linux/dma-mapping.h> +#include <linux/export.h> #include <asm/mmu_context.h> #include <asm/mmzone.h> #include <asm/kexec.h> @@ -287,6 +288,8 @@ static void __init do_init_bootmem(void) static void __init early_reserve_mem(void) { unsigned long start_pfn; + u32 zero_base = (u32)__MEMORY_START + (u32)PHYSICAL_OFFSET; + u32 start = zero_base + (u32)CONFIG_ZERO_PAGE_OFFSET; /* * Partially used pages are not usable - thus @@ -300,15 +303,13 @@ static void __init early_reserve_mem(void) * this catches the (definitely buggy) case of us accidentally * initializing the bootmem allocator with an invalid RAM area. */ - memblock_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET, - (PFN_PHYS(start_pfn) + PAGE_SIZE - 1) - - (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET)); + memblock_reserve(start, (PFN_PHYS(start_pfn) + PAGE_SIZE - 1) - start); /* * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET. */ if (CONFIG_ZERO_PAGE_OFFSET != 0) - memblock_reserve(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET); + memblock_reserve(zero_base, CONFIG_ZERO_PAGE_OFFSET); /* * Handle additional early reservations |