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da76d349b6
This commit refactors the UMA small alloc code and removes most UMA machine-dependent code. The existing machine-dependent uma_small_alloc code is almost identical across all architectures, except for powerpc where using the direct map addresses involved extra steps in some cases. The MI/MD split was replaced by a default uma_small_alloc implementation that can be overridden by architecture-specific code by defining the UMA_MD_SMALL_ALLOC symbol. Furthermore, UMA_USE_DMAP was introduced to replace most UMA_MD_SMALL_ALLOC uses. Reviewed by: markj, kib Approved by: markj (mentor) Differential Revision: https://reviews.freebsd.org/D45084 |
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