[U-Boot] [RFC PATCH 03/12] linux_compat: move vzalloc() to header file as an inline function

[Heiko Schocher]

Hello Masahiro,

Am 08.07.2015 um 06:29 schrieb Masahiro Yamada:
> The vzalloc(size) is equivalent to kzalloc(size, 0).  Move it to
> include/linux/compat.h as an inline function in order to avoid the
> function call overhead.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
> ---
>
>   include/linux/compat.h | 6 ++++--
>   lib/linux_compat.c     | 5 -----
>   2 files changed, 4 insertions(+), 7 deletions(-)

Reviewed-by: Heiko Schocher <hs at denx.de>

bye,
Heiko
>
> diff --git a/include/linux/compat.h b/include/linux/compat.h
> index da1420f..a3d136b 100644
> --- a/include/linux/compat.h
> +++ b/include/linux/compat.h
> @@ -40,6 +40,10 @@ void *kmalloc(size_t size, int flags);
>   void *kzalloc(size_t size, int flags);
>   #define vmalloc(size)	kmalloc(size, 0)
>   #define __vmalloc(size, flags, pgsz)	kmalloc(size, flags)
> +static inline void *vzalloc(unsigned long size)
> +{
> +	return kzalloc(size, 0);
> +}
>   #define kfree(ptr)	free(ptr)
>   #define vfree(ptr)	free(ptr)
>
> @@ -189,8 +193,6 @@ struct work_struct {};
>   unsigned long copy_from_user(void *dest, const void *src,
>   			     unsigned long count);
>
> -void *vzalloc(unsigned long size);
> -
>   typedef unused_t spinlock_t;
>   typedef int	wait_queue_head_t;
>
> diff --git a/lib/linux_compat.c b/lib/linux_compat.c
> index a3d4675..8c7a7b5 100644
> --- a/lib/linux_compat.c
> +++ b/lib/linux_compat.c
> @@ -26,11 +26,6 @@ void *kzalloc(size_t size, int flags)
>   	return ptr;
>   }
>
> -void *vzalloc(unsigned long size)
> -{
> -	return kzalloc(size, 0);
> -}
> -
>   struct kmem_cache *get_mem(int element_sz)
>   {
>   	struct kmem_cache *ret;
>

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