diff options
Diffstat (limited to 'doc/mimalloc-doc.h')
| -rw-r--r-- | doc/mimalloc-doc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/mimalloc-doc.h b/doc/mimalloc-doc.h index b448f14..e2287fe 100644 --- a/doc/mimalloc-doc.h +++ b/doc/mimalloc-doc.h @@ -782,6 +782,7 @@ typedef enum mi_option_e { mi_option_eager_region_commit, ///< Eagerly commit large (256MiB) memory regions (enabled by default, except on Windows) mi_option_large_os_pages, ///< Use large OS pages (2MiB in size) if possible mi_option_reserve_huge_os_pages, ///< The number of huge OS pages (1GiB in size) to reserve at the start of the program. + mi_option_reserve_huge_os_pages_at, ///< Reserve huge OS pages at node N. mi_option_segment_cache, ///< The number of segments per thread to keep cached. mi_option_page_reset, ///< Reset page memory after \a mi_option_reset_delay milliseconds when it becomes free. mi_option_segment_reset, ///< Experimental @@ -1053,6 +1054,8 @@ or via environment variables. `MIMALLOC_EAGER_COMMIT_DELAY=N` (`N` is 1 by default) to delay the initial `N` segments (of 4MiB) of a thread to not allocate in the huge OS pages; this prevents threads that are short lived and allocate just a little to take up space in the huge OS page area (which cannot be reset). +- `MIMALLOC_RESERVE_HUGE_OS_PAGES_AT=N`: where N is the numa node. This reserves the huge pages at a specific numa node. + (`N` is -1 by default to reserve huge pages evenly among the given number of numa nodes (or use the available ones as detected)) Use caution when using `fork` in combination with either large or huge OS pages: on a fork, the OS uses copy-on-write for all pages in the original process including the huge OS pages. When any memory is now written in that area, the |