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authorMinchan Kim <minchan@kernel.org>2021-05-04 18:37:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-05-05 11:27:24 -0700
commitbbb269206f3c914d4f23e023de4ec020abea6d1b (patch)
treef3d6ed6e3faae4cffecba3e3e14eb2af019100e4 /include
parent7ee820ee72388279a37077f418e32643a298243a (diff)
mm: vmstat: add cma statistics
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/vm_event_item.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index 18e75974d4e3..21d7c7f72f1c 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -71,6 +71,10 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
#ifdef CONFIG_HUGETLB_PAGE
HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
#endif
+#ifdef CONFIG_CMA
+ CMA_ALLOC_SUCCESS,
+ CMA_ALLOC_FAIL,
+#endif
UNEVICTABLE_PGCULLED, /* culled to noreclaim list */
UNEVICTABLE_PGSCANNED, /* scanned for reclaimability */
UNEVICTABLE_PGRESCUED, /* rescued from noreclaim list */