diff options
Diffstat (limited to 'src/include/pg_config_manual.h')
-rw-r--r-- | src/include/pg_config_manual.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/pg_config_manual.h b/src/include/pg_config_manual.h index b586ee269a0..33ec6102c15 100644 --- a/src/include/pg_config_manual.h +++ b/src/include/pg_config_manual.h @@ -228,6 +228,12 @@ #define PG_CACHE_LINE_SIZE 128 /* + * Assumed alignment requirement for direct I/O. 4K corresponds to common + * sector and memory page size. + */ +#define PG_IO_ALIGN_SIZE 4096 + +/* *------------------------------------------------------------------------ * The following symbols are for enabling debugging code, not for * controlling user-visible features or resource limits. |