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nvhost_as_gpu: ensure mappings are aligned to big page size when deallocated

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This commit is contained in:
Liam 2023-08-25 09:39:18 -04:00
parent 7d89f2c146
commit 9e134c3da2
1 changed files with 3 additions and 1 deletions
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4
src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
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@ -204,9 +204,11 @@ void nvhost_as_gpu::FreeMappingLocked(u64 offset) {
if (!mapping->fixed) {
auto& allocator{mapping->big_page ? *vm.big_page_allocator : *vm.small_page_allocator};
u32 page_size_bits{mapping->big_page ? vm.big_page_size_bits : VM::PAGE_SIZE_BITS};
u32 page_size{mapping->big_page ? vm.big_page_size : VM::YUZU_PAGESIZE};
u64 aligned_size{Common::AlignUp(mapping->size, page_size)};
allocator.Free(static_cast<u32>(mapping->offset >> page_size_bits),
static_cast<u32>(mapping->size >> page_size_bits));
static_cast<u32>(aligned_size >> page_size_bits));
}
// Sparse mappings shouldn't be fully unmapped, just returned to their sparse state