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From: David Hildenbrand <david@redhat.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
	linux-mm@kvack.org, akpm@linux-foundation.org,
	mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org,
	npiggin@gmail.com, christophe.leroy@csgroup.eu
Cc: Oscar Salvador <osalvador@suse.de>,
	Michal Hocko <mhocko@suse.com>,
	Vishal Verma <vishal.l.verma@intel.com>
Subject: Re: [PATCH v6 6/7] mm/memory_hotplug: Embed vmem_altmap details in memory block
Date: Thu, 27 Jul 2023 13:17:44 +0200	[thread overview]
Message-ID: <4d6a1911-e2e2-a230-eb48-37bf0df9bbb0@redhat.com> (raw)
In-Reply-To: <20230727080232.667439-7-aneesh.kumar@linux.ibm.com>


> +	/*
> +	 * Now that we are tracking alloc and free correctly
> +	 * we can add check to verify altmap free pages.
> +	 */

Better remove the history lesson from the comment.

"Verify that all vmemmap pages have actually been freed."

> +	if (altmap) {
> +		WARN(altmap->alloc, "Altmap not fully unmapped");
> +		kfree(altmap);
> +	}
> +
>   	if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK)) {
>   		memblock_phys_free(start, size);
>   		memblock_remove(start, size);

Acked-by: David Hildenbrand <david@redhat.com>

-- 
Cheers,

David / dhildenb



  parent reply	other threads:[~2023-07-27 11:18 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-27  8:02 [PATCH v6 0/7] Add support for memmap on memory feature on ppc64 Aneesh Kumar K.V
2023-07-27  8:02 ` [PATCH v6 4/7] mm/memory_hotplug: Support memmap_on_memory when memmap is not aligned to pageblocks Aneesh Kumar K.V
2023-07-27  9:23   ` Michal Hocko
2023-07-27  9:27     ` Aneesh Kumar K V
2023-07-27 10:55       ` Michal Hocko
2023-07-27  8:02 ` [PATCH v6 5/7] powerpc/book3s64/memhotplug: Enable memmap on memory for radix Aneesh Kumar K.V
2023-07-27  8:02 ` [PATCH v6 6/7] mm/memory_hotplug: Embed vmem_altmap details in memory block Aneesh Kumar K.V
2023-07-27  9:25   ` Michal Hocko
2023-07-27  9:32     ` Aneesh Kumar K V
2023-07-27 10:56       ` Michal Hocko
2023-07-27 11:17   ` David Hildenbrand [this message]
     [not found] ` <20230727080232.667439-8-aneesh.kumar@linux.ibm.com>
2023-07-27  9:26   ` [PATCH v6 7/7] mm/memory_hotplug: Enable runtime update of memmap_on_memory parameter Michal Hocko
2023-07-27 11:18   ` David Hildenbrand

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