Implement read-only buffer allocation #161

Job	Run time
build-test-on-armt2	3m 5s
build-test-on-arm32	2m 54s
build-test-on-loongarch64	1m 59s
build-test-on-aarch64	2m 38s
build-test-on-riscv32	2m 16s
build-test-on-riscv32-extensions	2m 38s
build-test-on-riscv64	2m 34s
build-test-on-riscv64-extensions	2m 20s
build-test-on-s390x	2m 24s
build-test-on-x64	33s
build-test-on-x86	23s
	23m 44s

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