Commit 501fe299 authored by Michael Ellerman's avatar Michael Ellerman
Browse files

selftests/powerpc: Skip 4PB test on 4K PAGE_SIZE systems 



Systems using the hash MMU with a 4K page size don't support 4PB address
space, so skip the test because the bug it tests for can't be triggered.

Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220901020215.254097-1-mpe@ellerman.id.au
parent aa398d88

tools/testing/selftests/powerpc/mm/large_vm_gpr_corruption.c

+2 −0
Original line number Diff line number Diff line
@@ -112,6 +112,8 @@ static int test(void) 
	// This tests a hash MMU specific bug.

	FAIL_IF(using_hash_mmu(&hash_mmu));

	SKIP_IF(!hash_mmu);

	// 4K kernels don't support 4PB address space

	SKIP_IF(sysconf(_SC_PAGESIZE) < 65536);



	page_size = sysconf(_SC_PAGESIZE);