new file mode 100644
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_ALIGN_H
+#define _LINUX_ALIGN_H
+
+#include <linux/const.h>
+
+/* @a is a power of 2 value */
+#define ALIGN(x, a) __ALIGN_KERNEL((x), (a))
+#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a))
+#define __ALIGN_MASK(x, mask) __ALIGN_KERNEL_MASK((x), (mask))
+#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
+#define PTR_ALIGN_DOWN(p, a) ((typeof(p))ALIGN_DOWN((unsigned long)(p), (a)))
+#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
+
+#endif /* _LINUX_ALIGN_H */
@@ -3,6 +3,7 @@
#define _TOOLS_LINUX_BITMAP_H
#include <string.h>
+#include <linux/align.h>
#include <linux/bitops.h>
#include <linux/find.h>
#include <stdlib.h>
@@ -126,7 +127,6 @@ static inline bool bitmap_and(unsigned long *dst, const unsigned long *src1,
#define BITMAP_MEM_ALIGNMENT (8 * sizeof(unsigned long))
#endif
#define BITMAP_MEM_MASK (BITMAP_MEM_ALIGNMENT - 1)
-#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
static inline bool bitmap_equal(const unsigned long *src1,
const unsigned long *src2, unsigned int nbits)
This provides alignment macros for use in selftests. Also clean up tools/include/linux/bitmap.h's inline definition of IS_ALIGNED(). Signed-off-by: Ackerley Tng <ackerleytng@google.com> --- tools/include/linux/align.h | 15 +++++++++++++++ tools/include/linux/bitmap.h | 2 +- 2 files changed, 16 insertions(+), 1 deletion(-) create mode 100644 tools/include/linux/align.h