From e34392fd548c496381073df95344ffae1ba1a0c6 Mon Sep 17 00:00:00 2001 From: Takayuki Tsunakawa Date: Fri, 12 Mar 2021 14:17:34 +0900 Subject: [PATCH v2] Fix overflow when counting the number of buffers to invalidate --- src/backend/storage/buffer/bufmgr.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 4c1d5ec..e4d257e 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -76,7 +76,7 @@ * being dropped. For the relations with size below this threshold, we find * the buffers by doing lookups in BufMapping table. */ -#define BUF_DROP_FULL_SCAN_THRESHOLD (uint32) (NBuffers / 32) +#define BUF_DROP_FULL_SCAN_THRESHOLD (uint64) (NBuffers / 32) typedef struct PrivateRefCountEntry { @@ -2987,7 +2987,7 @@ DropRelFileNodeBuffers(SMgrRelation smgr_reln, ForkNumber *forkNum, int j; RelFileNodeBackend rnode; BlockNumber nForkBlock[MAX_FORKNUM]; - BlockNumber nBlocksToInvalidate = 0; + uint64 nBlocksToInvalidate = 0; rnode = smgr_reln->smgr_rnode; @@ -3111,7 +3111,7 @@ DropRelFileNodesAllBuffers(SMgrRelation *smgr_reln, int nnodes) int n = 0; SMgrRelation *rels; BlockNumber (*block)[MAX_FORKNUM + 1]; - BlockNumber nBlocksToInvalidate = 0; + uint64 nBlocksToInvalidate = 0; RelFileNode *nodes; bool cached = true; bool use_bsearch; -- 2.10.1