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