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From: Dave Hansen <dave.hansen@intel.com>
To: Steven Price <steven.price@arm.com>,
	linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org
Cc: linux-arch@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Hugh Dickins <hughd@google.com>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Will Deacon <will@kernel.org>
Subject: Re: [PATCH 2/4] mm: Add arch hooks for saving/restoring tags
Date: Wed, 22 Apr 2020 11:08:10 -0700	[thread overview]
Message-ID: <edd132f8-c39b-9586-1714-19a335ccea5c@intel.com> (raw)
In-Reply-To: <20200422142530.32619-3-steven.price@arm.com>

On 4/22/20 7:25 AM, Steven Price wrote:
> Three new hooks are added to the swap code:
>  * arch_prepare_to_swap() and
>  * arch_swap_invalidate_page() / arch_swap_invalidate_area().
> One new hook is added to shmem:
>  * arch_swap_restore_tags()

How do the tags get restored outside of the shmem path?  I was expecting
to see more arch_swap_restore_tags() sites.


  reply	other threads:[~2020-04-22 18:08 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-22 14:25 [PATCH 0/4] arm64: MTE swap and hibernation support Steven Price
2020-04-22 14:25 ` [PATCH 1/4] mm: Add PG_ARCH_2 page flag Steven Price
2020-04-22 14:25 ` [PATCH 2/4] mm: Add arch hooks for saving/restoring tags Steven Price
2020-04-22 18:08   ` Dave Hansen [this message]
2020-04-23  9:09     ` Catalin Marinas
2020-04-23 12:37       ` Steven Price
2020-04-22 14:25 ` [PATCH 3/4] arm64: mte: Enable swap of tagged pages Steven Price
2020-04-22 18:34   ` Dave Hansen
2020-04-23 13:51     ` Steven Price
2020-05-03 15:29   ` Catalin Marinas
2020-05-04 12:53     ` Steven Price
2020-04-22 14:25 ` [PATCH 4/4] arm64: mte: Save tags when hibernating Steven Price

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