diff options
| -rw-r--r-- | src/backend/utils/mmgr/aset.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/backend/utils/mmgr/aset.c b/src/backend/utils/mmgr/aset.c index 4f60b186c27..f7550929f1f 100644 --- a/src/backend/utils/mmgr/aset.c +++ b/src/backend/utils/mmgr/aset.c @@ -11,7 +11,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/mmgr/aset.c,v 1.60 2005/05/14 20:29:13 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/utils/mmgr/aset.c,v 1.61 2005/06/04 20:14:12 momjian Exp $ * * NOTE: * This is a new (Feb. 05, 1999) implementation of the allocation set @@ -399,6 +399,17 @@ AllocSetReset(MemoryContext context) if (block == NULL) return; + /* + * When blocks list has only "keeper" block and freeptr of the block + * is initial value, the context is not used from last reset. + */ + if (block == set->keeper && block->next == NULL) + { + char *datastart = ((char *) block) + ALLOC_BLOCKHDRSZ; + if (block->freeptr == datastart) + return; + } + /* Clear chunk freelists */ MemSetAligned(set->freelist, 0, sizeof(set->freelist)); |