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host_memory: Allocate virtual_base with MAP_NORESERVE

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Specify that we do not require swap to be reserved for this address range;
allow overcommitting.
This commit is contained in:
Merry 2023-01-01 11:14:44 +00:00
parent 05c709bebe
commit 4d7be85e73
1 changed files with 2 additions and 2 deletions
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4
src/common/host_memory.cpp
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@ -393,8 +393,8 @@ public:
}
// Virtual memory initialization
virtual_base = static_cast<u8*>(
mmap(nullptr, virtual_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0));
virtual_base = static_cast<u8*>(mmap(nullptr, virtual_size, PROT_NONE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0));
if (virtual_base == MAP_FAILED) {
LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno));
throw std::bad_alloc{};