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fix guard page size

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daanx 2024-12-23 16:31:42 -08:00
parent b515a0ad4c
commit c65c6d83bd
2 changed files with 3 additions and 3 deletions
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2
ide/vs2022/mimalloc.vcxproj
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@ -190,7 +190,7 @@
<SDLCheck>true</SDLCheck>
<ConformanceMode>Default</ConformanceMode>
<AdditionalIncludeDirectories>../../include</AdditionalIncludeDirectories>
<PreprocessorDefinitions>MI_DEBUG=3;MI_GUARDED=0;%(PreprocessorDefinitions);</PreprocessorDefinitions>
<PreprocessorDefinitions>MI_DEBUG=3;MI_GUARDED=0;MI_SECURE=4;%(PreprocessorDefinitions);</PreprocessorDefinitions>
<CompileAs>CompileAsCpp</CompileAs>
<SupportJustMyCode>false</SupportJustMyCode>
<LanguageStandard>stdcpp20</LanguageStandard>

4
src/arena.c
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@ -720,10 +720,10 @@ static mi_page_t* mi_arenas_page_singleton_alloc(mi_heap_t* heap, size_t block_s
mi_tld_t* const tld = heap->tld;
const bool os_align = (block_alignment > MI_PAGE_MAX_OVERALLOC_ALIGN);
const size_t info_size = (os_align ? MI_PAGE_ALIGN : mi_page_info_size());
#if MI_ARENA_GUARD_PAGE_SIZE == 0
#if MI_SECURE < 2
const size_t slice_count = mi_slice_count_of_size(info_size + block_size);
#else
const size_t slice_count = mi_slice_count_of_size(_mi_align_up(info_size + block_size, MI_ARENA_GUARD_PAGE_SIZE) + MI_ARENA_GUARD_PAGE_SIZE);
const size_t slice_count = mi_slice_count_of_size(_mi_align_up(info_size + block_size, _mi_os_secure_guard_page_size()) + _mi_os_secure_guard_page_size());
#endif
mi_page_t* page = mi_arenas_page_alloc_fresh(tld->subproc, slice_count, block_size, block_alignment, req_arena, tld->thread_seq);