mm/vmalloc.c: use macro IS_ALIGNED to judge the aligment
authorWang Xiaoqiang <wangxq10@lzu.edu.cn>
Sat, 16 Jan 2016 00:57:19 +0000 (16:57 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 16 Jan 2016 01:56:32 +0000 (17:56 -0800)
Just cleanup, no functional change.

Signed-off-by: Wang Xiaoqiang <wangxq10@lzu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/vmalloc.c

index 58ceeb107960b367f88bebcbb067ded860b1d010..fb42a5bffe4733f6e5b1e65d09009934ef2b781b 100644 (file)
@@ -455,7 +455,7 @@ found:
        free_vmap_cache = &va->rb_node;
        spin_unlock(&vmap_area_lock);
 
-       BUG_ON(va->va_start & (align-1));
+       BUG_ON(!IS_ALIGNED(va->va_start, align));
        BUG_ON(va->va_start < vstart);
        BUG_ON(va->va_end > vend);
 
@@ -1086,7 +1086,7 @@ void vm_unmap_ram(const void *mem, unsigned int count)
        BUG_ON(!addr);
        BUG_ON(addr < VMALLOC_START);
        BUG_ON(addr > VMALLOC_END);
-       BUG_ON(addr & (PAGE_SIZE-1));
+       BUG_ON(!IS_ALIGNED(addr, PAGE_SIZE));
 
        debug_check_no_locks_freed(mem, size);
        vmap_debug_free_range(addr, addr+size);