linux-kernel - Re: [RFC PATCH 09/29] memblock: replace alloc_bootmem_low with memblock_alloc

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Message-ID: <20180906074114.GR14951@dhcp22.suse.cz>
Date:   Thu, 6 Sep 2018 09:41:14 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Mike Rapoport <rppt@...ux.vnet.ibm.com>
Cc:     linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ingo Molnar <mingo@...hat.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Burton <paul.burton@...s.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Tony Luck <tony.luck@...el.com>, linux-ia64@...r.kernel.org,
        linux-mips@...ux-mips.org, linuxppc-dev@...ts.ozlabs.org,
        sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 09/29] memblock: replace alloc_bootmem_low with
 memblock_alloc_low

On Wed 05-09-18 18:59:24, Mike Rapoport wrote:
> The functions are equivalent, just the later does not require nobootmem
> translation layer.
> 
> Signed-off-by: Mike Rapoport <rppt@...ux.vnet.ibm.com>

modulo @memblock_alloc_low@@memblock_virt_alloc_low@
Acked-by: Michal Hocko <mhocko@...e.com>

> ---
>  arch/x86/kernel/tce_64.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/kernel/tce_64.c b/arch/x86/kernel/tce_64.c
> index f386bad..54c9b5a 100644
> --- a/arch/x86/kernel/tce_64.c
> +++ b/arch/x86/kernel/tce_64.c
> @@ -173,7 +173,7 @@ void * __init alloc_tce_table(void)
>  	size = table_size_to_number_of_entries(specified_table_size);
>  	size *= TCE_ENTRY_SIZE;
>  
> -	return __alloc_bootmem_low(size, size, 0);
> +	return memblock_alloc_low(size, size);
>  }
>  
>  void __init free_tce_table(void *tbl)
> -- 
> 2.7.4

-- 
Michal Hocko
SUSE Labs