From: Oscar Salvador <osalvador@suse.de>
To: David Hildenbrand <david@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Mike Rapoport <rppt@kernel.org>, Michal Hocko <mhocko@kernel.org>,
Wei Yang <richard.weiyang@linux.alibaba.com>
Subject: Re: [PATCH v1 2/2] mm: simplify free_highmem_page() and free_reserved_page()
Date: Wed, 27 Jan 2021 12:51:27 +0100 [thread overview]
Message-ID: <20210127115122.GA28728@linux> (raw)
In-Reply-To: <20210126182113.19892-3-david@redhat.com>
On Tue, Jan 26, 2021 at 07:21:13PM +0100, David Hildenbrand wrote:
> adjust_managed_page_count() as called by free_reserved_page() properly
> handles pages in a highmem zone, so we can reuse it for
> free_highmem_page().
>
> We can now get rid of totalhigh_pages_inc() and simplify
> free_reserved_page().
>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
> Cc: Mike Rapoport <rppt@kernel.org>
> Cc: Oscar Salvador <osalvador@suse.de>
> Cc: Michal Hocko <mhocko@kernel.org>
> Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
> Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
> +#define free_highmem_page(page) free_reserved_page(page)
Should we place that under #ifdef CONFIG_HIGHMEM to make clear
that it is only used on that config?
Maybe the #ifdefery ugliness does not pay off.
--
Oscar Salvador
SUSE L3
next prev parent reply other threads:[~2021-01-27 11:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-26 18:21 [PATCH v1 0/2] mm: simplify free_highmem_page() and free_reserved_page() David Hildenbrand
2021-01-26 18:21 ` [PATCH v1 1/2] video: fbdev: acornfb: remove free_unused_pages() David Hildenbrand
2021-01-27 8:44 ` Geert Uytterhoeven
2021-01-27 11:53 ` Oscar Salvador
2021-01-28 3:54 ` Anshuman Khandual
2021-01-26 18:21 ` [PATCH v1 2/2] mm: simplify free_highmem_page() and free_reserved_page() David Hildenbrand
2021-01-27 11:51 ` Oscar Salvador [this message]
2021-01-27 12:24 ` David Hildenbrand
2021-01-28 4:12 ` Anshuman Khandual
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