diff options
Diffstat (limited to 'src/backend/access/transam/multixact.c')
| -rw-r--r-- | src/backend/access/transam/multixact.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/backend/access/transam/multixact.c b/src/backend/access/transam/multixact.c index d264d8ad57c..1adaebb6d80 100644 --- a/src/backend/access/transam/multixact.c +++ b/src/backend/access/transam/multixact.c @@ -42,7 +42,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/backend/access/transam/multixact.c,v 1.7 2005/08/20 01:29:27 ishii Exp $ + * $PostgreSQL: pgsql/src/backend/access/transam/multixact.c,v 1.8 2005/08/20 23:26:08 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1159,13 +1159,20 @@ AtEOXact_MultiXact(void) * thus double memory. Also, reserve space for the shared MultiXactState * struct and the per-backend MultiXactId arrays (two of those, too). */ -int +Size MultiXactShmemSize(void) { + Size size; + #define SHARED_MULTIXACT_STATE_SIZE \ - (sizeof(MultiXactStateData) + sizeof(MultiXactId) * 2 * MaxBackends) + add_size(sizeof(MultiXactStateData), \ + mul_size(sizeof(MultiXactId) * 2, MaxBackends)) + + size = SHARED_MULTIXACT_STATE_SIZE; + size = add_size(size, SimpleLruShmemSize()); + size = add_size(size, SimpleLruShmemSize()); - return (SimpleLruShmemSize() * 2 + SHARED_MULTIXACT_STATE_SIZE); + return size; } void |