As pointed out by Johannes -- the PG prefix seems to stand for page, and
all stat names that contain it represent some per-page event. PGSTALL is
not a page event. This patch renames it.
This is a fix for the mmotm patch
mm-vmstat-account-per-zone-stalls-and-pages-skipped-during-reclaim.patch
Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
---
include/linux/vm_event_item.h | 2 +-
mm/vmscan.c | 2 +-
mm/vmstat.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index 6d47f66f0e9c..4d6ec58a8d45 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -23,7 +23,7 @@
enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
FOR_ALL_ZONES(PGALLOC),
- FOR_ALL_ZONES(PGSTALL),
+ FOR_ALL_ZONES(ALLOCSTALL),
FOR_ALL_ZONES(PGSCAN_SKIP),
PGFREE, PGACTIVATE, PGDEACTIVATE,
PGFAULT, PGMAJFAULT,
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 21eae17ee730..429bf3a9c06c 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2674,7 +2674,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
delayacct_freepages_start();
if (global_reclaim(sc))
- __count_zid_vm_events(PGSTALL, sc->reclaim_idx, 1);
+ __count_zid_vm_events(ALLOCSTALL, sc->reclaim_idx, 1);
do {
vmpressure_prio(sc->gfp_mask, sc->target_mem_cgroup,
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 7415775faf08..91ecca96dcae 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -980,7 +980,7 @@ const char * const vmstat_text[] = {
"pswpout",
TEXTS_FOR_ZONES("pgalloc")
- TEXTS_FOR_ZONES("pgstall")
+ TEXTS_FOR_ZONES("allocstall")
TEXTS_FOR_ZONES("pgskip")
"pgfree",
--
2.6.4
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