[CRIU] [PATCH 5/7] stats: drop zero pages stats

[Mike Rapoport]

Note, that since zero pages stats never been into master we can make
incompatible changes to stats image.

Signed-off-by: Mike Rapoport <rppt at linux.vnet.ibm.com>
---
 criu/include/stats.h | 1 -
 criu/stats.c         | 3 ---
 images/stats.proto   | 3 +--
 3 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/criu/include/stats.h b/criu/include/stats.h
index 5d71778..d30be6a 100644
--- a/criu/include/stats.h
+++ b/criu/include/stats.h
@@ -25,7 +25,6 @@ enum {
 	CNT_PAGES_SCANNED,
 	CNT_PAGES_SKIPPED_PARENT,
 	CNT_PAGES_WRITTEN,
-	CNT_PAGES_ZERO,
 	CNT_PAGES_LAZY,
 
 	DUMP_CNT_NR_STATS,
diff --git a/criu/stats.c b/criu/stats.c
index 7f0e154..2b0c1a6 100644
--- a/criu/stats.c
+++ b/criu/stats.c
@@ -120,8 +120,6 @@ static void display_stats(int what, StatsEntry *stats)
 				stats->dump->pages_skipped_parent);
 		pr_msg("Memory pages written: %" PRIu64 " (0x%" PRIx64 ")\n", stats->dump->pages_written,
 				stats->dump->pages_written);
-		pr_msg("Zero memory pages: %" PRIu64 " (0x%" PRIx64 ")\n", stats->dump->pages_zero,
-				stats->dump->pages_zero);
 		pr_msg("Lazy memory pages: %" PRIu64 " (0x%" PRIx64 ")\n", stats->dump->pages_lazy,
 				stats->dump->pages_lazy);
 	} else if (what == RESTORE_STATS) {
@@ -161,7 +159,6 @@ void write_stats(int what)
 		ds_entry.pages_scanned = dstats->counts[CNT_PAGES_SCANNED];
 		ds_entry.pages_skipped_parent = dstats->counts[CNT_PAGES_SKIPPED_PARENT];
 		ds_entry.pages_written = dstats->counts[CNT_PAGES_WRITTEN];
-		ds_entry.pages_zero = dstats->counts[CNT_PAGES_ZERO];
 		ds_entry.pages_lazy = dstats->counts[CNT_PAGES_LAZY];
 
 		name = "dump";
diff --git a/images/stats.proto b/images/stats.proto
index f926a5a..ad6279a 100644
--- a/images/stats.proto
+++ b/images/stats.proto
@@ -13,8 +13,7 @@ message dump_stats_entry {
 
 	optional uint32			irmap_resolve		= 8;
 
-	required uint64			pages_zero		= 9;
-	required uint64			pages_lazy		= 10;
+	required uint64			pages_lazy		= 9;
 }
 
 message restore_stats_entry {
-- 
1.9.1