linux-kernel - Re: [PATCH] arm64: Enable CONFIG

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Date:	Wed, 11 Mar 2015 10:44:22 -0500
From:	Alexander Graf <agraf@...e.de>
To:	Andreas Schwab <schwab@...e.de>, Arnd Bergmann <arnd@...db.de>
CC:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Will Deacon <will.deacon@....com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Michael Matz <matz@...e.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Dirk Müller <dmueller@...e.com>,
	Suravee Suthikulanit <suravee.suthikulpanit@....com>
Subject: Re: [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size



On 11.03.15 08:57, Andreas Schwab wrote:
> Arnd Bergmann <arnd@...db.de> writes:
> 
>> On Wednesday 11 March 2015 14:35:39 Andreas Schwab wrote:
>>> +#if PAGE_SIZE > 12
>>> +asmlinkage long compat_sys_mmap2_wrapper(void);
>>> +#else
>>> +#define compat_sys_mmap2_wrapper sys_mmap_pgoff
>>> +#endif
>>>
>>
>> PAGE_SIZE is always larger than 12 ;-)
> 
> s/PAGE_SIZE/PAGE_SHIFT/

Yup, that patch does make things work too. With the replacement above

Tested-by: Alexander Graf <agraf@...e.de>

Andreas, would you like to send this upstream as a proper top-level
patch or would you prefer if I do a patch set with the 2 patches (enable
CONFIG_COMPAT on 64k PAGE_SIZE and your patch)?


Alex
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