The patch titled
Subject: mm: add vm event counters for balloon pages compaction
has been removed from the -mm tree. Its filename was
mm-add-vm-event-counters-for-balloon-pages-compaction.patch
This patch was dropped because an updated version will be merged
------------------------------------------------------
From: Rafael Aquini <aquini@xxxxxxxxxx>
Subject: mm: add vm event counters for balloon pages compaction
Introduce a new set of vm event counters to keep track of ballooned pages
compaction activity.
Signed-off-by: Rafael Aquini <aquini@xxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/virtio/virtio_balloon.c | 1 +
include/linux/vm_event_item.h | 8 +++++++-
mm/balloon_compaction.c | 2 ++
mm/migrate.c | 1 +
mm/vmstat.c | 10 +++++++++-
5 files changed, 20 insertions(+), 2 deletions(-)
diff -puN drivers/virtio/virtio_balloon.c~mm-add-vm-event-counters-for-balloon-pages-compaction drivers/virtio/virtio_balloon.c
--- a/drivers/virtio/virtio_balloon.c~mm-add-vm-event-counters-for-balloon-pages-compaction
+++ a/drivers/virtio/virtio_balloon.c
@@ -404,6 +404,7 @@ int virtballoon_migratepage(struct addre
tell_host(vb, vb->deflate_vq);
mutex_unlock(&vb->balloon_lock);
+ balloon_event_count(COMPACTBALLOONMIGRATED);
return MIGRATEPAGE_BALLOON_SUCCESS;
}
diff -puN include/linux/vm_event_item.h~mm-add-vm-event-counters-for-balloon-pages-compaction include/linux/vm_event_item.h
--- a/include/linux/vm_event_item.h~mm-add-vm-event-counters-for-balloon-pages-compaction
+++ a/include/linux/vm_event_item.h
@@ -41,7 +41,13 @@ enum vm_event_item { PGPGIN, PGPGOUT, PS
#ifdef CONFIG_COMPACTION
COMPACTBLOCKS, COMPACTPAGES, COMPACTPAGEFAILED,
COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
-#endif
+#ifdef CONFIG_BALLOON_COMPACTION
+ COMPACTBALLOONISOLATED, /* isolated from balloon pagelist */
+ COMPACTBALLOONMIGRATED, /* balloon page sucessfully migrated */
+ COMPACTBALLOONRELEASED, /* old-page released after migration */
+ COMPACTBALLOONRETURNED, /* putback to pagelist, not-migrated */
+#endif /* CONFIG_BALLOON_COMPACTION */
+#endif /* CONFIG_COMPACTION */
#ifdef CONFIG_HUGETLB_PAGE
HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
#endif
diff -puN mm/balloon_compaction.c~mm-add-vm-event-counters-for-balloon-pages-compaction mm/balloon_compaction.c
--- a/mm/balloon_compaction.c~mm-add-vm-event-counters-for-balloon-pages-compaction
+++ a/mm/balloon_compaction.c
@@ -215,6 +215,7 @@ bool balloon_page_isolate(struct page *p
if (__is_movable_balloon_page(page) &&
page_count(page) == 2) {
__isolate_balloon_page(page);
+ balloon_event_count(COMPACTBALLOONISOLATED);
unlock_page(page);
return true;
}
@@ -237,6 +238,7 @@ void balloon_page_putback(struct page *p
if (__is_movable_balloon_page(page)) {
__putback_balloon_page(page);
put_page(page);
+ balloon_event_count(COMPACTBALLOONRETURNED);
} else {
WARN_ON(1);
dump_page(page);
diff -puN mm/migrate.c~mm-add-vm-event-counters-for-balloon-pages-compaction mm/migrate.c
--- a/mm/migrate.c~mm-add-vm-event-counters-for-balloon-pages-compaction
+++ a/mm/migrate.c
@@ -896,6 +896,7 @@ static int unmap_and_move(new_page_t get
page_is_file_cache(page));
put_page(page);
__free_page(page);
+ balloon_event_count(COMPACTBALLOONRELEASED);
return 0;
}
out:
diff -puN mm/vmstat.c~mm-add-vm-event-counters-for-balloon-pages-compaction mm/vmstat.c
--- a/mm/vmstat.c~mm-add-vm-event-counters-for-balloon-pages-compaction
+++ a/mm/vmstat.c
@@ -781,7 +781,15 @@ const char * const vmstat_text[] = {
"compact_stall",
"compact_fail",
"compact_success",
-#endif
+
+#ifdef CONFIG_BALLOON_COMPACTION
+ "compact_balloon_isolated",
+ "compact_balloon_migrated",
+ "compact_balloon_released",
+ "compact_balloon_returned",
+#endif /* CONFIG_BALLOON_COMPACTION */
+
+#endif /* CONFIG_COMPACTION */
#ifdef CONFIG_HUGETLB_PAGE
"htlb_buddy_alloc_success",
_
Patches currently in -mm which might be from aquini@xxxxxxxxxx are
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