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linux/mm/cma.h
Zhongkun He 83b6d498d0 mm: cma: set early_pfn and bitmap as a union in cma_memrange 
Since early_pfn and bitmap are never used at the same time, they can be
defined as a union to reduce the size of the data structure.  This change
can save 8 * u64 entries per CMA.

Link: https://lkml.kernel.org/r/20250509083528.1360952-1-hezhongkun.hzk@bytedance.com
Signed-off-by: Zhongkun He <hezhongkun.hzk@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-05-22 14:55:36 -07:00

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