From: Mike Rapoport <rppt@kernel.org>
To: George Guo <dongtai.guo@linux.dev>
Cc: pasha.tatashin@soleen.com, pratyush@kernel.org,
chenhuacai@kernel.org, ardb@kernel.org, shuah@kernel.org,
ilias.apalodimas@linaro.org, akpm@linux-foundation.org,
baoquan.he@linux.dev, ruirui.yang@linux.dev,
guodongtai@kylinos.cn, kernel@xen0n.name, graf@amazon.com,
liukexin@kylinos.cn, loongarch@lists.linux.dev,
linux-kernel@vger.kernel.org, kexec@lists.infradead.org,
linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
linux-efi@vger.kernel.org
Subject: Re: [PATCH v6 5/8] LoongArch: Allow memblock arrays to resize
Date: Thu, 5 Nov 2026 14:57:02 +0200 [thread overview]
Message-ID: <aux9Hm0QFJLUDPWv@kernel.org> (raw)
In-Reply-To: <20261029172956.20791-6-dongtai.guo@linux.dev>
On Fri, Oct 30, 2026 at 02:29:52AM +0900, George Guo wrote:
> From: George Guo <guodongtai@kylinos.cn>
>
> LoongArch never calls memblock_allow_resize(), so the reserved region
> array cannot grow beyond INIT_MEMBLOCK_RESERVED_REGIONS entries
> (INIT_MEMBLOCK_REGIONS + NR_CPUS).
This might be something to fix independent of KHO.
Huacai,
What's the reason LoongArch never enables memblock resizing and why it
defines INIT_MEMBLOCK_RESERVED_REGIONS to include NR_CPUS?
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2026-11-05 12:57 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-29 17:29 [PATCH v6 0/8] LoongArch: Add KHO support and selftests George Guo
2026-10-29 17:29 ` [PATCH v6 1/8] efi: Pass KHO state to the next kernel in a configuration table George Guo
2026-10-29 19:28 ` Ard Biesheuvel
2026-10-29 19:42 ` Pratyush Yadav
2026-11-03 10:29 ` George Guo
2026-11-04 3:59 ` Huacai Chen
2026-11-04 14:54 ` Mukesh Pilaniya
2026-10-29 17:29 ` [PATCH v6 2/8] kho: Write KHO state to the EFI table at kexec time George Guo
2026-10-29 17:29 ` [PATCH v6 3/8] kho: Include linux/mm.h in kho_block.c George Guo
2026-10-29 17:29 ` [PATCH v6 4/8] kho: Add kho_disable() George Guo
2026-11-05 12:53 ` Mike Rapoport
2026-10-29 17:29 ` [PATCH v6 5/8] LoongArch: Allow memblock arrays to resize George Guo
2026-11-05 12:57 ` Mike Rapoport [this message]
2026-11-05 15:07 ` Huacai Chen
2026-11-05 16:07 ` Mike Rapoport
2026-10-29 17:29 ` [PATCH v6 6/8] LoongArch: Enable kexec handover (KHO) George Guo
2026-10-29 17:29 ` [PATCH v6 7/8] selftests/kho: Add LoongArch vmtest support George Guo
2026-10-29 17:29 ` [PATCH v6 8/8] selftests/liveupdate: " George Guo
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