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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

  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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