diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c
index 01eabe5706..8708ba35c3 100644
--- a/src/backend/storage/buffer/bufmgr.c
+++ b/src/backend/storage/buffer/bufmgr.c
@@ -612,7 +612,8 @@ ReadBuffer(Relation reln, BlockNumber blockNum)
  *
  * In RBM_NORMAL mode, the page is read from disk, and the page header is
  * validated.  An error is thrown if the page header is not valid.  (But
- * note that an all-zero page is considered "valid"; see PageIsVerified().)
+ * note that an all-zero page is considered "valid"; see
+ * PageIsVerifiedExtended().)
  *
  * RBM_ZERO_ON_ERROR is like the normal mode, but if the page header is not
  * valid, the page is zeroed instead of throwing an error. This is intended
@@ -898,7 +899,8 @@ ReadBuffer_common(SMgrRelation smgr, char relpersistence, ForkNumber forkNum,
 			}
 
 			/* check for garbage data */
-			if (!PageIsVerified((Page) bufBlock, blockNum))
+			if (!PageIsVerifiedExtended((Page) bufBlock, blockNum,
+										PIV_LOG_WARNING))
 			{
 				if (mode == RBM_ZERO_ON_ERROR || zero_damaged_pages)
 				{
diff --git a/src/backend/storage/page/bufpage.c b/src/backend/storage/page/bufpage.c
index d2ea38bdab..8d788b56ae 100644
--- a/src/backend/storage/page/bufpage.c
+++ b/src/backend/storage/page/bufpage.c
@@ -61,6 +61,17 @@ PageInit(Page page, Size pageSize, Size specialSize)
 
 /*
  * PageIsVerified
+ *		Utility wrapper for PageIsVerifiedExtended().
+ */
+bool
+PageIsVerified(Page page, BlockNumber blkno)
+{
+	return PageIsVerifiedExtended(page, blkno, PIV_LOG_WARNING);
+}
+
+
+/*
+ * PageIsVerifiedExtended
  *		Check that the page header and checksum (if any) appear valid.
  *
  * This is called when a page has just been read in from disk.  The idea is
@@ -76,9 +87,12 @@ PageInit(Page page, Size pageSize, Size specialSize)
  * allow zeroed pages here, and are careful that the page access macros
  * treat such a page as empty and without free space.  Eventually, VACUUM
  * will clean up such a page and make it usable.
+ *
+ * If flag PIV_LOG_WARNING is set, a WARNING is logged in the event of
+ * a checksum failure.
  */
 bool
-PageIsVerified(Page page, BlockNumber blkno)
+PageIsVerifiedExtended(Page page, BlockNumber blkno, int flags)
 {
 	PageHeader	p = (PageHeader) page;
 	size_t	   *pagebytes;
@@ -146,10 +160,11 @@ PageIsVerified(Page page, BlockNumber blkno)
 	 */
 	if (checksum_failure)
 	{
-		ereport(WARNING,
-				(errcode(ERRCODE_DATA_CORRUPTED),
-				 errmsg("page verification failed, calculated checksum %u but expected %u",
-						checksum, p->pd_checksum)));
+		if ((flags & PIV_LOG_WARNING) != 0)
+			ereport(WARNING,
+					(errcode(ERRCODE_DATA_CORRUPTED),
+					 errmsg("page verification failed, calculated checksum %u but expected %u",
+							checksum, p->pd_checksum)));
 
 		if (header_sane && ignore_checksum_failure)
 			return true;
diff --git a/src/include/storage/bufpage.h b/src/include/storage/bufpage.h
index 85dd10c45a..0d21c727ba 100644
--- a/src/include/storage/bufpage.h
+++ b/src/include/storage/bufpage.h
@@ -406,9 +406,14 @@ do { \
  *		extern declarations
  * ----------------------------------------------------------------
  */
+
+/* flags for PageAddItemExtended() */
 #define PAI_OVERWRITE			(1 << 0)
 #define PAI_IS_HEAP				(1 << 1)
 
+/* flags for PageIsVerifiedExtended() */
+#define PIV_LOG_WARNING			(1 << 0)
+
 #define PageAddItem(page, item, size, offsetNumber, overwrite, is_heap) \
 	PageAddItemExtended(page, item, size, offsetNumber, \
 						((overwrite) ? PAI_OVERWRITE : 0) | \
@@ -416,6 +421,7 @@ do { \
 
 extern void PageInit(Page page, Size pageSize, Size specialSize);
 extern bool PageIsVerified(Page page, BlockNumber blkno);
+extern bool PageIsVerifiedExtended(Page page, BlockNumber blkno, int flags);
 extern OffsetNumber PageAddItemExtended(Page page, Item item, Size size,
 					OffsetNumber offsetNumber, int flags);
 extern Page PageGetTempPage(Page page);