Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
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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What: /sys/kernel/mm/cma/<cma-heap-name>/release_pages_success
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Date: Feb 2024
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Contact: Anshuman Khandual <anshuman.khandual@arm.com>
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Description:
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the number of pages CMA API succeeded to release
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What: /sys/kernel/mm/cma/<cma-heap-name>/total_pages
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Date: Jun 2024
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Contact: Frank van der Linden <fvdl@google.com>
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Description:
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The size of the CMA area in pages.
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What: /sys/kernel/mm/cma/<cma-heap-name>/available_pages
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Date: Jun 2024
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Contact: Frank van der Linden <fvdl@google.com>
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Description:
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The number of pages in the CMA area that are still
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available for CMA allocation.
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