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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2004-10-16 18:05:07 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2004-10-16 18:05:07 +0000 |
| commit | 1c2de4774620469375e6393fbdbcdaffb0c2d0b5 (patch) | |
| tree | 64865055e4b11e6633293d6efe342c7edcd86c46 /src/backend/storage/buffer/buf_init.c | |
| parent | 72f9013741833ddbecdbb46930bf0f62e4176803 (diff) | |
| download | postgresql-1c2de4774620469375e6393fbdbcdaffb0c2d0b5.tar.gz postgresql-1c2de4774620469375e6393fbdbcdaffb0c2d0b5.zip | |
Remove BufferLocks[] array in favor of a single pointer to the buffer
(if any) currently waited for by LockBufferForCleanup(), which is all
that we were using it for anymore. Saves some space and eliminates
proportional-to-NBuffers slowdown in UnlockBuffers().
Diffstat (limited to 'src/backend/storage/buffer/buf_init.c')
| -rw-r--r-- | src/backend/storage/buffer/buf_init.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/src/backend/storage/buffer/buf_init.c b/src/backend/storage/buffer/buf_init.c index 5b727c9a222..a0d7054623c 100644 --- a/src/backend/storage/buffer/buf_init.c +++ b/src/backend/storage/buffer/buf_init.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/buffer/buf_init.c,v 1.68 2004/08/29 05:06:47 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/storage/buffer/buf_init.c,v 1.69 2004/10/16 18:05:06 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -20,9 +20,7 @@ BufferDesc *BufferDescriptors; Block *BufferBlockPointers; - -int32 *PrivateRefCount; /* also used in freelist.c */ -bits8 *BufferLocks; /* flag bits showing locks I have set */ +int32 *PrivateRefCount; /* statistics counters */ long int ReadBufferCount; @@ -177,7 +175,6 @@ InitBufferPoolAccess(void) sizeof(*BufferBlockPointers)); PrivateRefCount = (int32 *) calloc(NBuffers, sizeof(*PrivateRefCount)); - BufferLocks = (bits8 *) calloc(NBuffers, sizeof(*BufferLocks)); /* * Convert shmem offsets into addresses as seen by this process. This |