diff options
Diffstat (limited to 'linker/linker_allocator.cpp')
| -rw-r--r-- | linker/linker_allocator.cpp | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/linker/linker_allocator.cpp b/linker/linker_allocator.cpp index fd6f4964b..a37e910b5 100644 --- a/linker/linker_allocator.cpp +++ b/linker/linker_allocator.cpp @@ -200,12 +200,10 @@ void LinkerSmallObjectAllocator::create_page_record(void* page_addr, size_t free } void LinkerSmallObjectAllocator::alloc_page() { - static_assert(sizeof(page_info) % 16 == 0, - "sizeof(page_info) is not multiple of 16"); - void* map_ptr = mmap(nullptr, PAGE_SIZE, - PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); + static_assert(sizeof(page_info) % 16 == 0, "sizeof(page_info) is not multiple of 16"); + void* map_ptr = mmap(nullptr, PAGE_SIZE, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); if (map_ptr == MAP_FAILED) { - async_safe_fatal("mmap failed"); + async_safe_fatal("mmap failed: %s", strerror(errno)); } prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, map_ptr, PAGE_SIZE, "linker_alloc_small_objects"); @@ -246,11 +244,11 @@ void LinkerMemoryAllocator::initialize_allocators() { void* LinkerMemoryAllocator::alloc_mmap(size_t size) { size_t allocated_size = PAGE_END(size + sizeof(page_info)); - void* map_ptr = mmap(nullptr, allocated_size, - PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); + void* map_ptr = mmap(nullptr, allocated_size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, + -1, 0); if (map_ptr == MAP_FAILED) { - async_safe_fatal("mmap failed"); + async_safe_fatal("mmap failed: %s", strerror(errno)); } prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, map_ptr, allocated_size, "linker_alloc_lob"); |