From: Alexander Gordeev <agordeev@linux.ibm.com>
To: Mike Rapoport <rppt@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Alex Shi <alexs@kernel.org>,
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Subject: Re: [PATCH v3 17/29] s390: introduce arch_zone_limits_init()
Date: Mon, 12 Jan 2026 08:02:48 +0100 [thread overview]
Message-ID: <b211f877-f9bb-4892-b67c-d2610048575a-agordeev@linux.ibm.com> (raw)
In-Reply-To: <20260111082105.290734-18-rppt@kernel.org>
On Sun, Jan 11, 2026 at 10:20:51AM +0200, Mike Rapoport wrote:
Hi Mike,
...
> +void __init arch_zone_limits_init(unsigned long *max_zone_pfns)
> +{
> + max_zone_pfns[ZONE_DMA] = virt_to_pfn(MAX_DMA_ADDRESS);
> + max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
> +}
> +
> /*
> * paging_init() sets up the page tables
> */
> @@ -97,8 +103,7 @@ void __init paging_init(void)
> sparse_init();
> zone_dma_limit = DMA_BIT_MASK(31);
> memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
> - max_zone_pfns[ZONE_DMA] = virt_to_pfn(MAX_DMA_ADDRESS);
> - max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
> + arch_zone_limits_init(max_zone_pfns);
You move initialization of max_zone_pfns[] to a function, name the
function arch_zone_limits_init(), but leave the initializatio of
max_zone_pfns[] to zeroes outside. Should not it be brought along?
> free_area_init(max_zone_pfns);
> }
Thanks!
next prev parent reply other threads:[~2026-01-12 7:03 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-11 8:20 [PATCH v3 00/29] arch, mm: consolidate hugetlb early reservation Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 01/29] alpha: introduce arch_zone_limits_init() Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 02/29] arc: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 03/29] arm: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 04/29] arm: make initialization of zero page independent of the memory map Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 05/29] arm64: introduce arch_zone_limits_init() Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 06/29] csky: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 07/29] hexagon: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 08/29] loongarch: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 09/29] m68k: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 10/29] microblaze: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 11/29] mips: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 12/29] nios2: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 13/29] openrisc: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 14/29] parisc: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 15/29] powerpc: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 16/29] riscv: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 17/29] s390: " Mike Rapoport
2026-01-12 7:02 ` Alexander Gordeev [this message]
2026-01-12 7:34 ` Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 18/29] sh: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 19/29] sparc: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 20/29] um: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 21/29] x86: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 22/29] xtensa: " Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 23/29] arch, mm: consolidate initialization of nodes, zones and memory map Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 24/29] arch, mm: consolidate initialization of SPARSE memory model Mike Rapoport
2026-01-11 8:20 ` [PATCH v3 25/29] mips: drop paging_init() Mike Rapoport
2026-01-11 8:21 ` [PATCH v3 26/29] x86: don't reserve hugetlb memory in setup_arch() Mike Rapoport
2026-01-11 8:21 ` [PATCH v3 27/29] mm, arch: consolidate hugetlb CMA reservation Mike Rapoport
2026-01-11 8:21 ` [PATCH v3 28/29] mm/hugetlb: drop hugetlb_cma_check() Mike Rapoport
2026-01-11 8:21 ` [PATCH v3 29/29] Revert "mm/hugetlb: deal with multiple calls to hugetlb_bootmem_alloc" Mike Rapoport
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