diff options
Diffstat (limited to 'src/include/pg_config_manual.h')
| -rw-r--r-- | src/include/pg_config_manual.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/include/pg_config_manual.h b/src/include/pg_config_manual.h index 451ef351e65..98d357760dc 100644 --- a/src/include/pg_config_manual.h +++ b/src/include/pg_config_manual.h @@ -6,7 +6,7 @@ * for developers. If you edit any of these, be sure to do a *full* * rebuild (and an initdb if noted). * - * $Id: pg_config_manual.h,v 1.5 2003/08/04 00:43:29 momjian Exp $ + * $Id: pg_config_manual.h,v 1.6 2003/09/21 17:57:21 tgl Exp $ *------------------------------------------------------------------------ */ @@ -127,6 +127,14 @@ #define BITS_PER_BYTE 8 /* + * Preferred alignment for disk I/O buffers. On some CPUs, copies between + * user space and kernel space are significantly faster if the user buffer + * is aligned on a larger-than-MAXALIGN boundary. Ideally this should be + * a platform-dependent value, but for now we just hard-wire it. + */ +#define ALIGNOF_BUFFER 32 + +/* * Disable UNIX sockets for those operating system. */ #if defined(__QNX__) || defined(__BEOS__) || defined(WIN32) |