[llvm] [AMDGPU][Offload] Enable memory manager use for up to ~3GB allocation size in omp_target_alloc (PR #151882)

[Gheorghe-Teodor Bercea via llvm-commits]

doru1004 wrote:

@hidekisaito any chance you could add an appropriate patch description? Thanks so much :) 

https://github.com/llvm/llvm-project/pull/151882