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add extra checks for valid pointers in the pagemap, add max_vabits and debug_commit_full_pagemap options

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daanx 2024-12-09 20:40:26 -08:00
parent 3a92c35270
commit c5a2d11193
6 changed files with 33 additions and 19 deletions
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4
include/mimalloc.h
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@ -380,7 +380,9 @@ typedef enum mi_option_e {
mi_option_target_segments_per_thread, // experimental (=0)
mi_option_reclaim_on_free, // allow to reclaim an abandoned segment on a free (=1)
mi_option_full_page_retain, // retain N full pages per size class (=2)
mi_option_max_page_candidates, // max candidate pages to consider for allocation (=4)
mi_option_max_page_candidates, // max candidate pages to consider for allocation (=4)
mi_option_max_vabits, // max virtual address bits to consider in user space (=48)
mi_option_debug_commit_full_pagemap, // commit the full pagemap to catch invalid pointer uses (=0)
_mi_option_last,
// legacy option names
mi_option_large_os_pages = mi_option_allow_large_os_pages,

1
include/mimalloc/internal.h
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@ -459,6 +459,7 @@ static inline mi_page_t* _mi_checked_ptr_page(const void* p) {
}
static inline mi_page_t* _mi_ptr_page(const void* p) {
mi_assert_internal(p==NULL || mi_is_in_heap_region(p));
#if MI_DEBUG || defined(__APPLE__)
return _mi_checked_ptr_page(p);
#else