diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 8ef073b3821..83d91b14fb1 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -1636,11 +1636,13 @@ PinBuffer(BufferDesc *buf, BufferAccessStrategy strategy) result = (buf_state & BM_VALID) != 0; /* - * If we successfully acquired our first pin on this buffer - * within this backend, mark buffer contents defined + * Assume that we acquired a buffer pin for the purposes of + * Valgrind buffer client checks (even in !result case) to + * keep things simple. Buffers that are unsafe to access are + * not generally guaranteed to be marked undefined in any + * case. */ - if (result) - VALGRIND_MAKE_MEM_DEFINED(BufHdrGetBlock(buf), BLCKSZ); + VALGRIND_MAKE_MEM_DEFINED(BufHdrGetBlock(buf), BLCKSZ); break; } } |