Re: [PATCH] memblock: remove stale #else and the code it protects

From: Wei Yang
Date: Sun Oct 21 2018 - 21:35:24 EST


On Sun, Oct 21, 2018 at 10:30:16AM +0300, Mike Rapoport wrote:
>
>
>On October 19, 2018 11:17:30 AM GMT+03:00, Wei Yang <richard.weiyang@xxxxxxxxx> wrote:
>>Which tree it applies?
>
>To mmotm of the end of September.
>

I may lost some background of this change.

The file I am looking at is
https://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git/tree/include/linux/memblock.h
which has CONFIG_HAVE_MEMBLOCK in line 5.

>>On Thu, Sep 27, 2018 at 08:03:45PM +0300, Mike Rapoport wrote:
>>>During removal of HAVE_MEMBLOCK definition, the #else clause of the
>>>
>>> #ifdef CONFIG_HAVE_MEMBLOCK
>>> ...
>>> #else
>>> ...
>>> #endif
>>>
>>>conditional was not removed.
>>>
>>>Remove it now.
>>>
>>>Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>
>>>Reported-by: Alexander Duyck <alexander.duyck@xxxxxxxxx>
>>>Cc: Michal Hocko <mhocko@xxxxxxxx>
>>>---
>>> include/linux/memblock.h | 5 -----
>>> 1 file changed, 5 deletions(-)
>>>
>>>diff --git a/include/linux/memblock.h b/include/linux/memblock.h
>>>index d3bc270..d4d0e01 100644
>>>--- a/include/linux/memblock.h
>>>+++ b/include/linux/memblock.h
>>>@@ -597,11 +597,6 @@ static inline void early_memtest(phys_addr_t
>>start, phys_addr_t end)
>>> {
>>> }
>>> #endif
>>>-#else
>>>-static inline phys_addr_t memblock_alloc(phys_addr_t size,
>>phys_addr_t align)
>>>-{
>>>- return 0;
>>>-}
>>>

And in that file, here is memblock_reserved_memory_within.

I guess this is not the version you are trying to fix.

BTW, if you could put the commit SHA which removes the
CONFIG_HAVE_MEMBLOCK, it would be easier for others to catch up.

>>> #endif /* __KERNEL__ */
>>>
>>>--
>>>2.7.4
>
>--
>Sent from my Android device with K-9 Mail. Please excuse my brevity.

--
Wei Yang
Help you, Help me