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Message-ID: <28b9ca3e-83d8-ea4b-1f27-d23c2d29424f@linux.microsoft.com>
Date: Fri, 1 Apr 2022 10:05:16 -0700
From: Vijay Balakrishna <vijayb@...ux.microsoft.com>
To: Kefeng Wang <wangkefeng.wang@...wei.com>, catalin.marinas@....com,
will@...nel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Cc: f.fainelli@...il.com
Subject: Re: [PATCH v2 resend 3/3] arm64: mm: Cleanup useless parameters in
zone_sizes_init()
On 3/31/2022 12:40 AM, Kefeng Wang wrote:
> Directly use max_pfn for max and no one use min, kill them.
>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
Looks good. Reference to dma32_phys_limit in zone_sizes_init() depends
on what you do with my comment [1].
[1]
https://lore.kernel.org/all/69c1e722-33ea-95cf-de84-aed3022cb042@linux.microsoft.com/
Reviewed-by: Vijay Balakrishna <vijayb@...ux.microsoft.com>
> ---
> arch/arm64/mm/init.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
> index 0aafa9181607..80e9ff37b697 100644
> --- a/arch/arm64/mm/init.c
> +++ b/arch/arm64/mm/init.c
> @@ -181,7 +181,7 @@ static phys_addr_t __init max_zone_phys(unsigned int zone_bits)
> return min(zone_mask, memblock_end_of_DRAM() - 1) + 1;
> }
>
> -static void __init zone_sizes_init(unsigned long min, unsigned long max)
> +static void __init zone_sizes_init(void)
> {
> unsigned long max_zone_pfns[MAX_NR_ZONES] = {0};
> #ifdef CONFIG_ZONE_DMA
> @@ -199,7 +199,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max)
> #ifdef CONFIG_ZONE_DMA32
> max_zone_pfns[ZONE_DMA32] = PFN_DOWN(dma32_phys_limit);
> #endif
> - max_zone_pfns[ZONE_NORMAL] = max;
> + max_zone_pfns[ZONE_NORMAL] = max_pfn;
>
> free_area_init(max_zone_pfns);
> }
> @@ -401,7 +401,7 @@ void __init bootmem_init(void)
> * done after the fixed reservations
> */
> sparse_init();
> - zone_sizes_init(min, max);
> + zone_sizes_init();
>
> /*
> * Reserve the CMA area after arm64_dma_phys_limit was initialised.
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