ARM: 8430/1: use default ioremap alignment for SMP or LPAE
authorSergey Dyasly <dserrg@gmail.com>
Wed, 9 Sep 2015 15:27:18 +0000 (16:27 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 22 Sep 2015 07:13:57 +0000 (08:13 +0100)
commit803e3dbcb4cf80c898faccf01875f6ff6e5e76fd
tree272b9259fcf0d8be8049ce380e62b5b2785e7c4b
parentf460b6abdeeafd30c3ee737c843be17b1ceb38e5
ARM: 8430/1: use default ioremap alignment for SMP or LPAE

16MB alignment for ioremap mappings was added by commit a069c896d0d6 ("[ARM]
3705/1: add supersection support to ioremap()") in order to support supersection
mappings. But __arm_ioremap_pfn_caller uses section and supersection mappings
only in !SMP && !LPAE case. There is no need for such big alignment if either
SMP or LPAE is enabled.

After this change, ioremap will use default maximum alignment of 128 pages.

Link: https://lkml.kernel.org/g/1419328813-2211-1-git-send-email-d.safonov@partner.samsung.com
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: James Bottomley <JBottomley@parallels.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd.bergmann@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dmitry Safonov <d.safonov@partner.samsung.com>
Signed-off-by: Sergey Dyasly <s.dyasly@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/include/asm/memory.h