1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/mm/kaslr.c b/arch/x86/mm/kaslr.c
index 26dccd6c0df1..bda8d5eef04d 100644
--- a/arch/x86/mm/kaslr.c
+++ b/arch/x86/mm/kaslr.c
@@ -77,7 +77,7 @@ static inline unsigned long get_padding(struct kaslr_memory_region *region)
  */
 static inline bool kaslr_memory_enabled(void)
 {
-        return kaslr_enabled() && !config_enabled(CONFIG_KASAN);
+        return kaslr_enabled() && !IS_ENABLED(CONFIG_KASAN);
 }
 
 /* Initialize base and padding for each memory region randomized with KASLR */
@@ -97,7 +97,7 @@ void __init kernel_randomize_memory(void)
          * add padding if needed (especially for memory hotplug support).
          */
         BUG_ON(kaslr_regions[0].base != &page_offset_base);
-        memory_tb = ((max_pfn << PAGE_SHIFT) >> TB_SHIFT) +
+        memory_tb = DIV_ROUND_UP(max_pfn << PAGE_SHIFT, 1UL << TB_SHIFT) +
                 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING;
 
         /* Adapt phyiscal memory region size based on available memory */