svn commit: r348086 - stable/12/sys/compat/linuxkpi/common/include/linux
Johannes Lundberg
johalun at FreeBSD.org
Wed May 22 04:00:14 UTC 2019
Author: johalun
Date: Wed May 22 04:00:13 2019
New Revision: 348086
URL: https://svnweb.freebsd.org/changeset/base/348086
Log:
MFC r347626:
LinuxKPI: Add helper macros IS_ALIGNED and DIV_ROUND_DOWN_ULL.
This patch is part of D19565
Reviewed by: hps
Approved by: imp (mentor), hps
Modified:
stable/12/sys/compat/linuxkpi/common/include/linux/kernel.h
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/compat/linuxkpi/common/include/linux/kernel.h
==============================================================================
--- stable/12/sys/compat/linuxkpi/common/include/linux/kernel.h Wed May 22 03:58:41 2019 (r348085)
+++ stable/12/sys/compat/linuxkpi/common/include/linux/kernel.h Wed May 22 04:00:13 2019 (r348086)
@@ -130,9 +130,14 @@
#define ALIGN(x, y) roundup2((x), (y))
#undef PTR_ALIGN
#define PTR_ALIGN(p, a) ((__typeof(p))ALIGN((uintptr_t)(p), (a)))
+#if defined(LINUXKPI_VERSION) && LINUXKPI_VERSION >= 50000
+/* Moved from linuxkpi_gplv2 */
+#define IS_ALIGNED(x, a) (((x) & ((__typeof(x))(a) - 1)) == 0)
+#endif
#define DIV_ROUND_UP(x, n) howmany(x, n)
#define __KERNEL_DIV_ROUND_UP(x, n) howmany(x, n)
#define DIV_ROUND_UP_ULL(x, n) DIV_ROUND_UP((unsigned long long)(x), (n))
+#define DIV_ROUND_DOWN_ULL(x, n) (((unsigned long long)(x) / (n)) * (n))
#define FIELD_SIZEOF(t, f) sizeof(((t *)0)->f)
#define printk(...) printf(__VA_ARGS__)
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