What: /sys/kernel/mm/cma/
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Date: Feb 2021
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Contact: Minchan Kim <minchan@kernel.org>
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Description:
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/sys/kernel/mm/cma/ contains a subdirectory for each CMA
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heap name (also sometimes called CMA areas).
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Each CMA heap subdirectory (that is, each
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/sys/kernel/mm/cma/<cma-heap-name> directory) contains the
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following items:
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alloc_pages_success
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alloc_pages_fail
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What: /sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_success
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Date: Feb 2021
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Contact: Minchan Kim <minchan@kernel.org>
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Description:
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the number of pages CMA API succeeded to allocate
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What: /sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_fail
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Date: Feb 2021
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Contact: Minchan Kim <minchan@kernel.org>
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Description:
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the number of pages CMA API failed to allocate
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