From: Tim Chen <tim.c.chen@linux.intel.com>
To: David Hildenbrand <david@redhat.com>, linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, linux-hyperv@vger.kernel.org,
virtualization@lists.linux.dev, xen-devel@lists.xenproject.org,
kasan-dev@googlegroups.com,
"Andrew Morton" <akpm@linux-foundation.org>,
"Mike Rapoport" <rppt@kernel.org>,
"Oscar Salvador" <osalvador@suse.de>,
"K. Y. Srinivasan" <kys@microsoft.com>,
"Haiyang Zhang" <haiyangz@microsoft.com>,
"Wei Liu" <wei.liu@kernel.org>,
"Dexuan Cui" <decui@microsoft.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
"Eugenio Pérez" <eperezma@redhat.com>,
"Juergen Gross" <jgross@suse.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Oleksandr Tyshchenko" <oleksandr_tyshchenko@epam.com>,
"Alexander Potapenko" <glider@google.com>,
"Marco Elver" <elver@google.com>,
"Dmitry Vyukov" <dvyukov@google.com>
Subject: Re: [PATCH v1 1/3] mm: pass meminit_context to __free_pages_core()
Date: Tue, 11 Jun 2024 12:41:51 -0700 [thread overview]
Message-ID: <80532f73e52e2c21fdc9aac7bce24aefb76d11b0.camel@linux.intel.com> (raw)
In-Reply-To: <20240607090939.89524-2-david@redhat.com>
On Fri, 2024-06-07 at 11:09 +0200, 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@redhat.com>
> ---
> mm/internal.h | 3 ++-
> mm/kmsan/init.c | 2 +-
> mm/memory_hotplug.c | 9 +--------
> mm/mm_init.c | 4 ++--
> mm/page_alloc.c | 17 +++++++++++++++--
> 5 files changed, 21 insertions(+), 14 deletions(-)
>
> diff --git a/mm/internal.h b/mm/internal.h
> index 12e95fdf61e90..3fdee779205ab 100644
> --- a/mm/internal.h
> +++ b/mm/internal.h
> @@ -604,7 +604,8 @@ extern void __putback_isolated_page(struct page *page, unsigned int order,
> int mt);
> extern void memblock_free_pages(struct page *page, unsigned long pfn,
> unsigned int order);
> -extern void __free_pages_core(struct page *page, unsigned int order);
> +extern void __free_pages_core(struct page *page, unsigned int order,
> + enum meminit_context);
Shouldn't the above be
enum meminit_context context);
>
> /*
> * This will have no effect, other than possibly generating a warning, if the
Thanks.
Tim
next prev parent reply other threads:[~2024-06-11 19:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-07 9:09 [PATCH v1 0/3] mm/memory_hotplug: use PageOffline() instead of PageReserved() for !ZONE_DEVICE David Hildenbrand
2024-06-07 9:09 ` [PATCH v1 1/3] mm: pass meminit_context to __free_pages_core() David Hildenbrand
2024-06-07 18:40 ` David Hildenbrand
2024-06-10 4:03 ` Oscar Salvador
2024-06-10 8:38 ` David Hildenbrand
2024-06-10 11:47 ` Oscar Salvador
2024-06-11 10:06 ` David Hildenbrand
2024-06-11 19:19 ` Andrew Morton
2024-06-11 19:20 ` David Hildenbrand
2024-06-12 18:38 ` David Hildenbrand
2024-06-11 19:41 ` Tim Chen [this message]
2024-06-11 19:50 ` David Hildenbrand
2024-06-07 9:09 ` [PATCH v1 2/3] mm/memory_hotplug: initialize memmap of !ZONE_DEVICE with PageOffline() instead of PageReserved() David Hildenbrand
2024-06-10 4:23 ` Oscar Salvador
2024-06-10 8:56 ` David Hildenbrand
2024-06-11 7:45 ` Oscar Salvador
2024-06-11 8:04 ` David Hildenbrand
2024-06-11 8:01 ` Oscar Salvador
2024-06-11 9:42 ` David Hildenbrand
2024-06-11 19:36 ` Andrew Morton
2024-06-07 9:09 ` [PATCH v1 3/3] mm/memory_hotplug: skip adjust_managed_page_count() for PageOffline() pages when offlining David Hildenbrand
2024-06-10 4:29 ` Oscar Salvador
2024-06-10 8:56 ` David Hildenbrand
2024-06-25 22:43 ` [PATCH v1 0/3] mm/memory_hotplug: use PageOffline() instead of PageReserved() for !ZONE_DEVICE Andrew Morton
2024-06-26 5:01 ` David Hildenbrand
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