linux-kernel - Re: [PATCH v6 1/3] mm/memblock: introduce a new helper memblock_estimated_nr_free

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Message-ID: <172339430546.1161596.15408670748567422629.b4-ty@kernel.org>
Date: Sun, 11 Aug 2024 19:38:31 +0300
From: Mike Rapoport <rppt@...nel.org>
To: agordeev@...ux.ibm.com,
	gerald.schaefer@...ux.ibm.com,
	hca@...ux.ibm.com,
	akpm@...ux-foundation.org,
	brauner@...nel.org,
	oleg@...hat.com,
	Wei Yang <richard.weiyang@...il.com>
Cc: Mike Rapoport <rppt@...nel.org>,
	linux-s390@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH v6 1/3] mm/memblock: introduce a new helper memblock_estimated_nr_free_pages()

From: Mike Rapoport (Microsoft) <rppt@...nel.org>

On Thu, 08 Aug 2024 00:14:13 +0000, Wei Yang wrote:
> During bootup, system may need the number of free pages in the whole system
> to do some calculation before all pages are freed to buddy system. Usually
> this number is get from totalram_pages(). Since we plan to move the free
> pages accounting in __free_pages_core(), this value may not represent
> total free pages at the early stage, especially when
> CONFIG_DEFERRED_STRUCT_PAGE_INIT is enabled.
> 
> [...]

Applied to for-next branch of memblock.git tree, thanks!

[1/3] mm/memblock: introduce a new helper memblock_estimated_nr_free_pages()
      commit: d0f8a8973f265f6a276f99d091af99edfb2b87de
[2/3] kernel/fork.c: get estimated free pages by memblock api
      commit: 0910bf0ef85c5404aac94394cb31e076e4eb03f1
[3/3] s390/mm: get estimated free pages by memblock api
      commit: cb088e38aab4c7e9ce711c18c66e851c8f4227bb

tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
branch: for-next

--
Sincerely yours,
Mike.