1 What: /sys/kernel/mm/cma/ 2 Date: Feb 2021 3 Contact: Minchan Kim <minchan@kernel.org> 4 Description: 5 /sys/kernel/mm/cma/ contains a subdirectory for each CMA 6 heap name (also sometimes called CMA areas). 7 8 Each CMA heap subdirectory (that is, each 9 /sys/kernel/mm/cma/<cma-heap-name> directory) contains the 10 following items: 11 12 alloc_pages_success 13 alloc_pages_fail 14 15 What: /sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_success 16 Date: Feb 2021 17 Contact: Minchan Kim <minchan@kernel.org> 18 Description: 19 the number of pages CMA API succeeded to allocate 20 21 What: /sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_fail 22 Date: Feb 2021 23 Contact: Minchan Kim <minchan@kernel.org> 24 Description: 25 the number of pages CMA API failed to allocate 26 27 What: /sys/kernel/mm/cma/<cma-heap-name>/release_pages_success 28 Date: Feb 2024 29 Contact: Anshuman Khandual <anshuman.khandual@arm.com> 30 Description: 31 the number of pages CMA API succeeded to release
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