diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/storage/lmgr/predicate.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/storage/lmgr/predicate.c b/src/backend/storage/lmgr/predicate.c index 3c3a6a9d963..35fbc8f5a2d 100644 --- a/src/backend/storage/lmgr/predicate.c +++ b/src/backend/storage/lmgr/predicate.c @@ -311,7 +311,7 @@ static SlruCtlData OldSerXidSlruCtlData; * transactions and the maximum that SLRU supports. */ #define OLDSERXID_MAX_PAGE Min(SLRU_PAGES_PER_SEGMENT * 0x10000 - 1, \ - (MaxTransactionId + 1) / OLDSERXID_ENTRIESPERPAGE - 1) + (MaxTransactionId) / OLDSERXID_ENTRIESPERPAGE) #define OldSerXidNextPage(page) (((page) >= OLDSERXID_MAX_PAGE) ? 0 : (page) + 1) @@ -767,7 +767,7 @@ OldSerXidPagePrecedesLogically(int p, int q) diff = p - q; if (diff >= ((OLDSERXID_MAX_PAGE + 1) / 2)) diff -= OLDSERXID_MAX_PAGE + 1; - else if (diff < -((OLDSERXID_MAX_PAGE + 1) / 2)) + else if (diff < -((int) (OLDSERXID_MAX_PAGE + 1) / 2)) diff += OLDSERXID_MAX_PAGE + 1; return diff < 0; } |