From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: barebox@lists.infradead.org
Subject: [PATCH] linux/kernel.h: move ALIGN_DOWN() to include/linux/kernel.h
Date: Thu, 21 Dec 2017 13:30:35 +0900 [thread overview]
Message-ID: <1513830635-24496-1-git-send-email-yamada.masahiro@socionext.com> (raw)
Linux commit ed067d4a859f ("linux/kernel.h: Add ALIGN_DOWN macro")
moved ALIGN_MACRO to include/linux/kernel.h.
Let's do likewise.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
include/common.h | 2 --
include/linux/kernel.h | 1 +
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/common.h b/include/common.h
index dd7445e..54c76d4 100644
--- a/include/common.h
+++ b/include/common.h
@@ -93,8 +93,6 @@ extern int (*barebox_main)(void);
void __noreturn start_barebox(void);
void shutdown_barebox(void);
-#define ALIGN_DOWN(x, a) ((x) & ~((typeof(x))(a) - 1))
-
#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
/*
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index b4d2f09..ab713f2 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -33,6 +33,7 @@
#define S64_MIN ((s64)(-S64_MAX - 1))
#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1)
+#define ALIGN_DOWN(x, a) ALIGN((x) - ((a) - 1), (a))
#define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask))
#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
--
2.7.4
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next reply other threads:[~2017-12-21 4:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-21 4:30 Masahiro Yamada [this message]
2017-12-21 4:37 ` Masahiro Yamada
2018-01-05 14:50 ` Sascha Hauer
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