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SubjectRe: [PATCH] selftests: proc: Fix proc-empty-vm build error on non x86_64
On Wed, Nov 09, 2022 at 11:06:21AM +0000, Punit Agrawal wrote:
> The proc-empty-vm test is implemented for x86_64 and fails to build
> for other architectures. Rather then emitting a compiler error it
> would be preferable to only build the test on supported architectures.

Ehh, can you just port it to whatever arch you're using?
What's the address space on arm/arm64?

#ifdef __amd64__
munmap(NULL, ((size_t)1 << 47) - 4096);
#else
#error "implement 'unmap everything'"
#endif

This program is almost arch-independent.

> +TEST_GEN_PROGS_x86_64 += proc-empty-vm

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