linux-kernel - Re: [RFC PATCH 12/29] memblock: replace alloc_bootmem_low with memblock_alloc

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Message-ID: <20180906075546.GU14951@dhcp22.suse.cz>
Date:   Thu, 6 Sep 2018 09:55:46 +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 12/29] memblock: replace alloc_bootmem_low with
 memblock_alloc_low

On Wed 05-09-18 18:59:27, Mike Rapoport wrote:
> The alloc_bootmem_low(size) allocates low memory with default alignement
> and can be replcaed by memblock_alloc_low(size, 0)
> 
> Signed-off-by: Mike Rapoport <rppt@...ux.vnet.ibm.com>

Again _virt renaming thing...
Acked-by: Michal Hocko <mhocko@...e.com>

> ---
>  arch/arm64/kernel/setup.c     | 2 +-
>  arch/unicore32/kernel/setup.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
> index 5b4fac4..cf7a7b7 100644
> --- a/arch/arm64/kernel/setup.c
> +++ b/arch/arm64/kernel/setup.c
> @@ -213,7 +213,7 @@ static void __init request_standard_resources(void)
>  	kernel_data.end     = __pa_symbol(_end - 1);
>  
>  	for_each_memblock(memory, region) {
> -		res = alloc_bootmem_low(sizeof(*res));
> +		res = memblock_alloc_low(sizeof(*res), 0);
>  		if (memblock_is_nomap(region)) {
>  			res->name  = "reserved";
>  			res->flags = IORESOURCE_MEM;
> diff --git a/arch/unicore32/kernel/setup.c b/arch/unicore32/kernel/setup.c
> index c2bffa5..9f163f9 100644
> --- a/arch/unicore32/kernel/setup.c
> +++ b/arch/unicore32/kernel/setup.c
> @@ -207,7 +207,7 @@ request_standard_resources(struct meminfo *mi)
>  		if (mi->bank[i].size == 0)
>  			continue;
>  
> -		res = alloc_bootmem_low(sizeof(*res));
> +		res = memblock_alloc_low(sizeof(*res), 0);
>  		res->name  = "System RAM";
>  		res->start = mi->bank[i].start;
>  		res->end   = mi->bank[i].start + mi->bank[i].size - 1;
> -- 
> 2.7.4
> 

-- 
Michal Hocko
SUSE Labs