From d5bd3fbd78b00d3ba4a8be1661da76b06a09ea4e Mon Sep 17 00:00:00 2001
From: Robert Baldyga <robert.baldyga@intel.com>
Date: Fri, 3 Sep 2021 14:49:53 +0200
Subject: [PATCH] Free zeroed metadata pages on update in raw_dynamic

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
---
 src/metadata/metadata_raw_dynamic.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/metadata/metadata_raw_dynamic.c b/src/metadata/metadata_raw_dynamic.c
index 3da9a5b..50e0536 100644
--- a/src/metadata/metadata_raw_dynamic.c
+++ b/src/metadata/metadata_raw_dynamic.c
@@ -284,6 +284,12 @@ static int raw_dynamic_update_pages(ocf_cache_t cache,
 		/* When page is zero set, no need to allocate space for it */
 		if (cmp == 0) {
 			OCF_DEBUG_PARAM(cache, "Zero loaded %llu", i);
+			if (ctrl->pages[page + i]) {
+				env_secure_free(ctrl->pages[page + i],
+						PAGE_SIZE);
+				ctrl->pages[page + i] = NULL;
+				env_atomic_dec(&ctrl->count);
+			}
 			continue;
 		}