Re: [PATCH] ARM: mm: make use of new memblocks_present() helper

From: Logan Gunthorpe
Date: Tue Mar 19 2019 - 16:50:58 EST




On 2019-03-19 2:42 p.m., Mike Rapoport wrote:
> On Tue, Mar 19, 2019 at 12:13:57PM -0600, Logan Gunthorpe wrote:
>> Cleanup the arm_memory_present() function seeing it's very
>> similar to other arches.
>>
>> The new memblocks_present() helper checks for node ids which the
>> arm version did not. However, this is equivalent seeing
>> HAVE_MEMBLOCK_NODE_MAP should be false in this arch and therefore
>> memblock_get_region_node() should return 0.
>>
>> Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>
>> Cc: Russell King <linux@xxxxxxxxxxxxxxx>
>> Cc: Kees Cook <keescook@xxxxxxxxxxxx>
>> Cc: Philip Derrin <philip@xxxxxxxxxxx>
>> Cc: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx>
>> Cc: Nicolas Pitre <nicolas.pitre@xxxxxxxxxx>
>
> Reviewed-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
>
> Strangely, I've got a feeling I've already reviewed such patch from a
> different person...

You're probably referring to [1] which was for arm64 and was redundant
as my patch for that architecture was already picked up by Catalin.

I was the person who originally introduced memblocks_present() and I'm
still hoping to get the cleanup patches for the arm and sh arches to be
picked up.

Thanks,

Logan

[1]
https://lore.kernel.org/lkml/20190210093738.30923-1-peng.fan@xxxxxxx/T/#u