[PATCH v2 2/2] powerpc/mm/hugetlb: Add support for reserving gigantic huge pages via kernel command line

Aneesh Kumar K.V aneesh.kumar at linux.vnet.ibm.com
Mon Jun 5 17:47:55 AEST 2017


Michael Ellerman <mpe at ellerman.id.au> writes:

> Tyrel Datwyler <tyreld at linux.vnet.ibm.com> writes:
>> On 06/01/2017 09:42 AM, christophe leroy wrote:
>>> Le 01/06/2017 à 16:30, Aneesh Kumar K.V a écrit :
>>>> diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h
>>>> index 6981a52b3887..67766e60a6b6 100644
>>>> --- a/arch/powerpc/include/asm/book3s/64/mmu-hash.h
>>>> +++ b/arch/powerpc/include/asm/book3s/64/mmu-hash.h
>>>> @@ -468,7 +468,7 @@ extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
>>>>  			     int psize, int ssize);
>>>>  int htab_remove_mapping(unsigned long vstart, unsigned long vend,
>>>>  			int psize, int ssize);
>>>> -extern void add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages);
>>>> +extern void pSeries_add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages);
>>> 
>>> Linux kernel coding style says 'mixed-case names are frowned upon'
>>
>> True, but there is precedent within arch/powerpc/platforms/pseries seeing as "pSeries_" is
>> already used heavily to prefix function names.
>
> True, but it's still horrible. Any new names should just use "pseries".

I will update in the next iteration. I will wait to get feedback on
FSL/8xx before posting the next version.

-aneesh



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