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path: root/src/backend/access/spgist/spgxlog.c
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-rw-r--r--src/backend/access/spgist/spgxlog.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/access/spgist/spgxlog.c b/src/backend/access/spgist/spgxlog.c
index 7be2291d07e..999d0ca15d5 100644
--- a/src/backend/access/spgist/spgxlog.c
+++ b/src/backend/access/spgist/spgxlog.c
@@ -1008,6 +1008,6 @@ spg_mask(char *pagedata, BlockNumber blkno)
* Mask the unused space, but only if the page's pd_lower appears to have
* been set correctly.
*/
- if (pagehdr->pd_lower > SizeOfPageHeaderData)
+ if (pagehdr->pd_lower >= SizeOfPageHeaderData)
mask_unused_space(page);
}