From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: barebox@lists.infradead.org
Subject: Re: [PATCH] linux/kernel.h: move ALIGN_DOWN() to include/linux/kernel.h
Date: Thu, 21 Dec 2017 13:37:46 +0900 [thread overview]
Message-ID: <CAK7LNAQgp=cu8+jvGooDMrXPOqzbt2TTrEGsXcPVvf-Q3iguYw@mail.gmail.com> (raw)
In-Reply-To: <1513830635-24496-1-git-send-email-yamada.masahiro@socionext.com>
2017-12-21 13:30 GMT+09:00 Masahiro Yamada <yamada.masahiro@socionext.com>:
> Linux commit ed067d4a859f ("linux/kernel.h: Add ALIGN_DOWN macro")
> moved ALIGN_MACRO to include/linux/kernel.h.
This is a typo.
ALIGN_MACRO -> ALIGN_DOWN
> 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
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
--
Best Regards
Masahiro Yamada
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next prev parent reply other threads:[~2017-12-21 4:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-21 4:30 Masahiro Yamada
2017-12-21 4:37 ` Masahiro Yamada [this message]
2018-01-05 14:50 ` Sascha Hauer
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