kiper220/mimalloc
1
0
Fork 0
mirror of https://github.com/microsoft/mimalloc.git synced 2025-05-04 22:49:32 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

ensure managed os memory is at least one arena block in size

Browse source
This commit is contained in:
Daan Leijen 2021-10-18 20:44:19 -07:00
parent bcce4d52bf
commit 22c2fd82cc
2 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/arena.c
View file

@ -282,6 +282,8 @@ static bool mi_arena_add(mi_arena_t* arena) {
bool mi_manage_os_memory(void* start, size_t size, bool is_committed, bool is_large, bool is_zero, int numa_node) mi_attr_noexcept
{
if (size < MI_ARENA_BLOCK_SIZE) return false;
if (is_large) {
mi_assert_internal(is_committed);
is_committed = true;
@ -321,7 +323,7 @@ bool mi_manage_os_memory(void* start, size_t size, bool is_committed, bool is_la
// Reserve a range of regular OS memory
int mi_reserve_os_memory(size_t size, bool commit, bool allow_large) mi_attr_noexcept
{
size = _mi_os_good_alloc_size(size);
size = _mi_align_up(size, MI_ARENA_BLOCK_SIZE); // at least one block
bool large = allow_large;
void* start = _mi_os_alloc_aligned(size, MI_SEGMENT_ALIGN, commit, &large, &_mi_stats_main);
if (start==NULL) return ENOMEM;

2
src/init.c
View file

@ -499,7 +499,7 @@ void mi_process_init(void) mi_attr_noexcept {
if (mi_option_is_enabled(mi_option_reserve_os_memory)) {
long ksize = mi_option_get(mi_option_reserve_os_memory);
if (ksize > 0) {
mi_reserve_os_memory(_mi_divide_up((size_t)ksize*KiB, MI_SEGMENT_SIZE), true, true);
mi_reserve_os_memory((size_t)ksize*KiB, true, true);
}
}
}