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-rw-r--r--arch/arm/mm/init.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 2fee782077c1..cc7e2d8be9aa 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -298,7 +298,7 @@ static void __init arm_bootmem_free(unsigned long min, unsigned long max_low,
#ifdef CONFIG_HAVE_ARCH_PFN_VALID
int pfn_valid(unsigned long pfn)
{
- return memblock_is_memory(pfn << PAGE_SHIFT);
+ return memblock_is_memory(__pfn_to_phys(pfn));
}
EXPORT_SYMBOL(pfn_valid);
#endif
@@ -441,7 +441,7 @@ static inline int free_area(unsigned long pfn, unsigned long end, char *s)
static inline void poison_init_mem(void *s, size_t count)
{
u32 *p = (u32 *)s;
- while ((count = count - 4))
+ for (; count != 0; count -= 4)
*p++ = 0xe7fddef0;
}