Re: [PATCH V3 2/2] arm64/mm: Change offset base address in [pud|pmd]_free_[pmd|pte]_page()

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On 06/03/2019 09:06 PM, Catalin Marinas wrote:
> Hi Anshuman,
> 
> 
> On Thu, May 09, 2019 at 10:16:17AM +0530, Anshuman Khandual wrote:
>> Pgtable page address can be fetched with [pmd|pte]_offset_[kernel] if input
>> address is PMD_SIZE or PTE_SIZE aligned. Input address is now guaranteed to
>> be aligned, hence fetched pgtable page address is always correct. But using
>> 0UL as offset base address has been a standard practice across platforms.
>> It also makes more sense as it isolates pgtable page address computation
>> from input virtual address alignment. This does not change functionality.
>>
>> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
>> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
>> Cc: Will Deacon <will.deacon@xxxxxxx>
>> Cc: Mark Rutland <mark.rutland@xxxxxxx>
>> Cc: James Morse <james.morse@xxxxxxx>
>> Cc: Robin Murphy <robin.murphy@xxxxxxx>
> 
> What's the plan with this small series? I didn't find a v5 (unless I
> deleted it by mistake). I can queue this patch through the arm64 tree or
> they can both go in via the mm tree.

As mentioned earlier [1] I believe the second patch is not needed anymore. Hence
only V4 of the first patch (https://patchwork.kernel.org/patch/10944191/) which
has a Reviewed-by tag should be considered.

[1] https://patchwork.kernel.org/patch/10936625/




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