From: Mike Rapoport <rppt@kernel.org>
To: akpm@linux-foundation.org, Hua Su <suhua.tanke@gmail.com>
Cc: Mike Rapoport <rppt@kernel.org>,
Wei Yang <richard.weiyang@gmail.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] memblock: uniformly initialize all reserved pages to MIGRATE_MOVABLE
Date: Mon, 21 Oct 2024 09:52:42 +0300 [thread overview]
Message-ID: <172949345149.2327149.636551407707863142.b4-ty@kernel.org> (raw)
In-Reply-To: <20241021051151.4664-1-suhua.tanke@gmail.com>
From: Mike Rapoport (Microsoft) <rppt@kernel.org>
On Mon, 21 Oct 2024 13:11:51 +0800, Hua Su wrote:
> Currently when CONFIG_DEFERRED_STRUCT_PAGE_INIT is not set, the reserved
> pages are initialized to MIGRATE_MOVABLE by default in memmap_init.
>
> Reserved memory mainly store the metadata of struct page. When
> HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON=Y and hugepages are allocated,
> the HVO will remap the vmemmap virtual address range to the page which
> vmemmap_reuse is mapped to. The pages previously mapping the range will
> be freed to the buddy system.
>
> [...]
Applied to for-next branch of memblock.git tree, thanks!
[1/1] memblock: uniformly initialize all reserved pages to MIGRATE_MOVABLE
commit: ad48825232a91a382f665bb7c3bf0044027791d4
tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
branch: for-next
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2024-10-21 6:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-21 5:11 Hua Su
2024-10-21 6:52 ` Mike Rapoport [this message]
2024-10-25 2:13 ` kernel test robot
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