diff options
Diffstat (limited to 'src/backend/storage/buffer/bufmgr.c')
| -rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 29 |
1 files changed, 3 insertions, 26 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 9fc906a4a40..fe470de63f2 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -2094,12 +2094,6 @@ BufferAlloc(SMgrRelation smgr, char relpersistence, ForkNumber forkNum, */ UnpinBuffer(victim_buf_hdr); - /* - * The victim buffer we acquired previously is clean and unused, let - * it be found again quickly - */ - StrategyFreeBuffer(victim_buf_hdr); - /* remaining code should match code at top of routine */ existing_buf_hdr = GetBufferDescriptor(existing_buf_id); @@ -2158,8 +2152,7 @@ BufferAlloc(SMgrRelation smgr, char relpersistence, ForkNumber forkNum, } /* - * InvalidateBuffer -- mark a shared buffer invalid and return it to the - * freelist. + * InvalidateBuffer -- mark a shared buffer invalid. * * The buffer header spinlock must be held at entry. We drop it before * returning. (This is sane because the caller must have locked the @@ -2257,11 +2250,6 @@ retry: * Done with mapping lock. */ LWLockRelease(oldPartitionLock); - - /* - * Insert the buffer at the head of the list of free buffers. - */ - StrategyFreeBuffer(buf); } /* @@ -2679,11 +2667,6 @@ ExtendBufferedRelShared(BufferManagerRelation bmr, { BufferDesc *buf_hdr = GetBufferDescriptor(buffers[i] - 1); - /* - * The victim buffer we acquired previously is clean and unused, - * let it be found again quickly - */ - StrategyFreeBuffer(buf_hdr); UnpinBuffer(buf_hdr); } @@ -2756,12 +2739,6 @@ ExtendBufferedRelShared(BufferManagerRelation bmr, valid = PinBuffer(existing_hdr, strategy); LWLockRelease(partition_lock); - - /* - * The victim buffer we acquired previously is clean and unused, - * let it be found again quickly - */ - StrategyFreeBuffer(victim_buf_hdr); UnpinBuffer(victim_buf_hdr); buffers[i] = BufferDescriptorGetBuffer(existing_hdr); @@ -3658,8 +3635,8 @@ BgBufferSync(WritebackContext *wb_context) uint32 new_recent_alloc; /* - * Find out where the freelist clock-sweep currently is, and how many - * buffer allocations have happened since our last call. + * Find out where the clock-sweep currently is, and how many buffer + * allocations have happened since our last call. */ strategy_buf_id = StrategySyncStart(&strategy_passes, &recent_alloc); |