1*43ca106fSMinchan KimWhat:		/sys/kernel/mm/cma/
2*43ca106fSMinchan KimDate:		Feb 2021
3*43ca106fSMinchan KimContact:	Minchan Kim <minchan@kernel.org>
4*43ca106fSMinchan KimDescription:
5*43ca106fSMinchan Kim		/sys/kernel/mm/cma/ contains a subdirectory for each CMA
6*43ca106fSMinchan Kim		heap name (also sometimes called CMA areas).
7*43ca106fSMinchan Kim
8*43ca106fSMinchan Kim		Each CMA heap subdirectory (that is, each
9*43ca106fSMinchan Kim		/sys/kernel/mm/cma/<cma-heap-name> directory) contains the
10*43ca106fSMinchan Kim		following items:
11*43ca106fSMinchan Kim
12*43ca106fSMinchan Kim			alloc_pages_success
13*43ca106fSMinchan Kim			alloc_pages_fail
14*43ca106fSMinchan Kim
15*43ca106fSMinchan KimWhat:		/sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_success
16*43ca106fSMinchan KimDate:		Feb 2021
17*43ca106fSMinchan KimContact:	Minchan Kim <minchan@kernel.org>
18*43ca106fSMinchan KimDescription:
19*43ca106fSMinchan Kim		the number of pages CMA API succeeded to allocate
20*43ca106fSMinchan Kim
21*43ca106fSMinchan KimWhat:		/sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_fail
22*43ca106fSMinchan KimDate:		Feb 2021
23*43ca106fSMinchan KimContact:	Minchan Kim <minchan@kernel.org>
24*43ca106fSMinchan KimDescription:
25*43ca106fSMinchan Kim		the number of pages CMA API failed to allocate
26