From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] arm: improve non-section-aligned low memory mapping
Date: Wed, 6 May 2015 11:32:49 +0100 [thread overview]
Message-ID: <20150506103249.GG2067@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1430038028-22625-1-git-send-email-orca.chen@gmail.com>
On Sun, Apr 26, 2015 at 04:47:08PM +0800, Min-Hua Chen wrote:
> @@ -1384,6 +1351,15 @@ static void __init map_lowmem(void)
> create_mapping(&map);
> }
> }
> +
> + /*
> + * Find the first section-aligned memblock and set
> + * memblock_limit at it.
> + */
> + if (!section_memblock_limit && !(end & ~SECTION_MASK)) {
> + section_memblock_limit = end;
> + memblock_set_current_limit(section_memblock_limit);
> + }
I've suggested an alternative solution to this (which just means changing
the alignment of the memblock limit to 2x SECTION_SIZE).
--
FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2015-05-06 10:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-26 8:47 [PATCH v2] arm: improve non-section-aligned low memory mapping Min-Hua Chen
2015-05-06 10:32 ` Russell King - ARM Linux [this message]
2015-05-07 16:20 ` Min-Hua Chen
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