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add disallow_arena_alloc option

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Daan 2024-04-22 10:10:20 -07:00
parent ce783df58f
commit a527f75161
3 changed files with 47 additions and 42 deletions
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52
include/mimalloc.h
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@ -317,41 +317,43 @@ mi_decl_export int mi_reserve_huge_os_pages(size_t pages, double max_secs, size
typedef enum mi_option_e {
// stable options
mi_option_show_errors, // print error messages
mi_option_show_stats, // print statistics on termination
mi_option_verbose, // print verbose messages
// the following options are experimental (see src/options.h)
mi_option_eager_commit, // eager commit segments? (after `eager_commit_delay` segments) (=1)
mi_option_arena_eager_commit, // eager commit arenas? Use 2 to enable just on overcommit systems (=2)
mi_option_purge_decommits, // should a memory purge decommit (or only reset) (=1)
mi_option_allow_large_os_pages, // allow large (2MiB) OS pages, implies eager commit
mi_option_reserve_huge_os_pages, // reserve N huge OS pages (1GiB/page) at startup
mi_option_reserve_huge_os_pages_at, // reserve huge OS pages at a specific NUMA node
mi_option_reserve_os_memory, // reserve specified amount of OS memory in an arena at startup
mi_option_show_errors, // print error messages
mi_option_show_stats, // print statistics on termination
mi_option_verbose, // print verbose messages
// advanced options
mi_option_eager_commit, // eager commit segments? (after `eager_commit_delay` segments) (=1)
mi_option_arena_eager_commit, // eager commit arenas? Use 2 to enable just on overcommit systems (=2)
mi_option_purge_decommits, // should a memory purge decommit? (=1). Set to 0 to use memory reset on a purge (instead of decommit)
mi_option_allow_large_os_pages, // allow large (2 or 4 MiB) OS pages, implies eager commit. If false, also disables THP for the process.
mi_option_reserve_huge_os_pages, // reserve N huge OS pages (1GiB pages) at startup
mi_option_reserve_huge_os_pages_at, // reserve huge OS pages at a specific NUMA node
mi_option_reserve_os_memory, // reserve specified amount of OS memory in an arena at startup
mi_option_deprecated_segment_cache,
mi_option_deprecated_page_reset,
mi_option_abandoned_page_purge, // immediately purge delayed purges on thread termination
mi_option_abandoned_page_purge, // immediately purge delayed purges on thread termination
mi_option_deprecated_segment_reset,
mi_option_eager_commit_delay,
mi_option_purge_delay, // memory purging is delayed by N milli seconds; use 0 for immediate purging or -1 for no purging at all.
mi_option_use_numa_nodes, // 0 = use all available numa nodes, otherwise use at most N nodes.
mi_option_limit_os_alloc, // 1 = do not use OS memory for allocation (but only programmatically reserved arenas)
mi_option_os_tag, // tag used for OS logging (macOS only for now)
mi_option_max_errors, // issue at most N error messages
mi_option_max_warnings, // issue at most N warning messages
mi_option_max_segment_reclaim,
mi_option_destroy_on_exit, // if set, release all memory on exit; sometimes used for dynamic unloading but can be unsafe.
mi_option_arena_reserve, // initial memory size in KiB for arena reservation (1GiB on 64-bit)
mi_option_arena_purge_mult,
mi_option_eager_commit_delay, // the first N segments per thread are not eagerly committed (but per page in the segment on demand)
mi_option_purge_delay, // memory purging is delayed by N milli seconds; use 0 for immediate purging or -1 for no purging at all. (=10)
mi_option_use_numa_nodes, // 0 = use all available numa nodes, otherwise use at most N nodes.
mi_option_disallow_os_alloc, // 1 = do not use OS memory for allocation (but only programmatically reserved arenas)
mi_option_os_tag, // tag used for OS logging (macOS only for now) (=100)
mi_option_max_errors, // issue at most N error messages
mi_option_max_warnings, // issue at most N warning messages
mi_option_max_segment_reclaim, // max. percentage of the abandoned segments can be reclaimed per try (=10%)
mi_option_destroy_on_exit, // if set, release all memory on exit; sometimes used for dynamic unloading but can be unsafe
mi_option_arena_reserve, // initial memory size in KiB for arena reservation (= 1 GiB on 64-bit)
mi_option_arena_purge_mult, // multiplier for `purge_delay` for the purging delay for arenas (=10)
mi_option_purge_extend_delay,
mi_option_abandoned_reclaim_on_free, // reclaim abandoned segments on a free
mi_option_abandoned_reclaim_on_free, // allow to reclaim an abandoned segment on a free (=1)
mi_option_disallow_arena_alloc, // 1 = do not use arena's for allocation (except if using specific arena id's)
_mi_option_last,
// legacy option names
mi_option_large_os_pages = mi_option_allow_large_os_pages,
mi_option_eager_region_commit = mi_option_arena_eager_commit,
mi_option_reset_decommits = mi_option_purge_decommits,
mi_option_reset_delay = mi_option_purge_delay,
mi_option_abandoned_page_reset = mi_option_abandoned_page_purge
mi_option_abandoned_page_reset = mi_option_abandoned_page_purge,
mi_option_limit_os_alloc = mi_option_disallow_os_alloc
} mi_option_t;