linux-kernel - Re: [PATCH v1 1/3] mm: pass meminit_context to __free_pages

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Message-Id: <20240611121942.050a2215143af0ecb576122f@linux-foundation.org>
Date: Tue, 11 Jun 2024 12:19:42 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: David Hildenbrand <david@...hat.com>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
 linux-hyperv@...r.kernel.org, virtualization@...ts.linux.dev,
 xen-devel@...ts.xenproject.org, kasan-dev@...glegroups.com, Mike Rapoport
 <rppt@...nel.org>, Oscar Salvador <osalvador@...e.de>, "K. Y. Srinivasan"
 <kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Wei Liu
 <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
 "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>,
 Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, Eugenio Pérez
 <eperezma@...hat.com>, Juergen Gross <jgross@...e.com>, Stefano Stabellini
 <sstabellini@...nel.org>, Oleksandr Tyshchenko
 <oleksandr_tyshchenko@...m.com>, Alexander Potapenko <glider@...gle.com>,
 Marco Elver <elver@...gle.com>, Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [PATCH v1 1/3] mm: pass meminit_context to __free_pages_core()

On Tue, 11 Jun 2024 12:06:56 +0200 David Hildenbrand <david@...hat.com> wrote:

> On 07.06.24 11:09, David Hildenbrand wrote:
> > In preparation for further changes, let's teach __free_pages_core()
> > about the differences of memory hotplug handling.
> > 
> > Move the memory hotplug specific handling from generic_online_page() to
> > __free_pages_core(), use adjust_managed_page_count() on the memory
> > hotplug path, and spell out why memory freed via memblock
> > cannot currently use adjust_managed_page_count().
> > 
> > Signed-off-by: David Hildenbrand <david@...hat.com>
> > ---
> 
> @Andrew, can you squash the following?

Sure.

I queued it against "mm: pass meminit_context to __free_pages_core()",
not against

> Subject: [PATCH] fixup: mm/highmem: make nr_free_highpages() return "unsigned
>   long"