Messages in this thread | | | Subject | Re: [PATCH] memblock: stop using implicit alignement to SMP_CACHE_BYTES | From | Benjamin Herrenschmidt <> | Date | Fri, 05 Oct 2018 13:25:38 +1000 |
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On Fri, 2018-10-05 at 00:07 +0300, Mike Rapoport wrote: > When a memblock allocation APIs are called with align = 0, the alignment is > implicitly set to SMP_CACHE_BYTES. > > Replace all such uses of memblock APIs with the 'align' parameter explicitly > set to SMP_CACHE_BYTES and stop implicit alignment assignment in the > memblock internal allocation functions. > > For the case when memblock APIs are used via helper functions, e.g. like > iommu_arena_new_node() in Alpha, the helper functions were detected with > Coccinelle's help and then manually examined and updated where appropriate. > > The direct memblock APIs users were updated using the semantic patch below:
What is the purpose of this ? It sounds rather counter-intuitive...
Ben.
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