aboutsummaryrefslogtreecommitdiff
path: root/arch/arm64/include/asm/memory.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/include/asm/memory.h')
-rw-r--r--arch/arm64/include/asm/memory.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 37762175896..902eb708804 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -49,13 +49,15 @@
#define PAGE_OFFSET (UL(0xffffffffffffffff) << (VA_BITS - 1))
#define MODULES_END (PAGE_OFFSET)
#define MODULES_VADDR (MODULES_END - SZ_64M)
-#define EARLYCON_IOBASE (MODULES_VADDR - SZ_4M)
+#define FIXADDR_TOP (MODULES_VADDR - SZ_2M - PAGE_SIZE)
#define TASK_SIZE_64 (UL(1) << VA_BITS)
#ifdef CONFIG_COMPAT
#define TASK_SIZE_32 UL(0x100000000)
#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
TASK_SIZE_32 : TASK_SIZE_64)
+#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT) ? \
+ TASK_SIZE_32 : TASK_SIZE_64)
#else
#define TASK_SIZE TASK_SIZE_64
#endif /* CONFIG_COMPAT */
@@ -138,6 +140,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#define __pa(x) __virt_to_phys((unsigned long)(x))
#define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x)))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
+#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys(x))
/*
* virt_to_page(k) convert a _valid_ virtual address to struct page *
@@ -146,8 +149,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
- ((void *)(kaddr) < (void *)high_memory))
+#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
#endif