linux-kernel - Re: [RFC PATCH 08/29] memblock: replace alloc_bootmem_align with memblock

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Date:   Thu, 6 Sep 2018 09:39:31 +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 08/29] memblock: replace alloc_bootmem_align with
 memblock_alloc

On Wed 05-09-18 18:59:23, 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>

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

> ---
>  arch/x86/xen/p2m.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
> index 159a897..68c0f14 100644
> --- a/arch/x86/xen/p2m.c
> +++ b/arch/x86/xen/p2m.c
> @@ -180,7 +180,7 @@ static void p2m_init_identity(unsigned long *p2m, unsigned long pfn)
>  static void * __ref alloc_p2m_page(void)
>  {
>  	if (unlikely(!slab_is_available()))
> -		return alloc_bootmem_align(PAGE_SIZE, PAGE_SIZE);
> +		return memblock_alloc(PAGE_SIZE, PAGE_SIZE);
>  
>  	return (void *)__get_free_page(GFP_KERNEL);
>  }
> -- 
> 2.7.4

-- 
Michal Hocko
SUSE Labs