From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv3 2/2] arm: use max_lowmem_limit in find_limit()
Date: Wed, 10 Jun 2015 23:41:34 +0100 [thread overview]
Message-ID: <20150610224134.GS7557@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1433962773-8402-3-git-send-email-orca.chen@gmail.com>
On Thu, Jun 11, 2015 at 02:59:33AM +0800, Min-Hua Chen wrote:
> In commit: 1c2f87c22566cd057bc8cde10c37ae9da1a1bb76, the max_low is
> set by memblock_get_current_limit(). However memblock.current_limit
> can be changed by memblock_set_current_limit() any point before
> find_limits().
>
> It's better to use arm_lowmem_limit to be max_lowmem in two ways:
> First, arm_lowmem_limit cannot be changed by a public API. Second, the
> high_memory is set by arm_lowmem_limit and is a natural limit of
> low memory area in bootmem_init().
>
> Signed-off-by: Min-Hua Chen <orca.chen@gmail.com>
NAK, this is a known build breaker.
--
FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up
according to speedtest.net.
prev parent reply other threads:[~2015-06-10 22:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-10 18:59 [PATCHv3 0/2] creating non-section aligned lowmem mappings Min-Hua Chen
2015-06-10 18:59 ` [PATCHv3 1/2] arm: fix non-section-aligned low memory mapping Min-Hua Chen
2015-06-10 22:40 ` Russell King - ARM Linux
2015-06-11 0:02 ` Min-Hua Chen
2015-06-10 18:59 ` [PATCHv3 2/2] arm: use max_lowmem_limit in find_limit() Min-Hua Chen
2015-06-10 22:41 ` Russell King - ARM Linux [this message]
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