mm: vmstat: add cma statistics

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Since CMA is used more widely, it's worth to have CMA allocation
statistics into vmstat.  With it, we could know how agressively system
uses cma allocation and how often it fails.

Link: https://lkml.kernel.org/r/20210302183346.3707237-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Cc: John Dias <joaodias@google.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Minchan Kim 2021-05-04 18:37:19 -07:00 • committed by Linus Torvalds

parent 7ee820ee72

commit bbb269206f

3 changed files with 17 additions and 3 deletions

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4

include/linux/vm_event_item.h

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12

mm/cma.c

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4

mm/vmstat.c

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