Re: [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size

From: Alexander Graf
Date: Wed Mar 11 2015 - 11:44:42 EST




On 11.03.15 08:57, Andreas Schwab wrote:
> Arnd Bergmann <arnd@xxxxxxxx> 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@xxxxxxx>

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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