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 <[email protected]> --- 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
