Use pr_warn_once instead of WARN_ON_ONCE as discussed here [1] for printing possible use of set_memory_* on linear map on Hash.
[1]: https://lore.kernel.org/all/877cc2fpi2.fsf@mail.lhotse/#t Signed-off-by: Ritesh Harjani (IBM) <ritesh.l...@gmail.com> --- arch/powerpc/mm/pageattr.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/mm/pageattr.c b/arch/powerpc/mm/pageattr.c index ac22bf28086f..c8c2d664c6f3 100644 --- a/arch/powerpc/mm/pageattr.c +++ b/arch/powerpc/mm/pageattr.c @@ -94,8 +94,11 @@ int change_memory_attr(unsigned long addr, int numpages, long action) if (!radix_enabled()) { int region = get_region_id(addr); - if (WARN_ON_ONCE(region != VMALLOC_REGION_ID && region != IO_REGION_ID)) + if (region != VMALLOC_REGION_ID && region != IO_REGION_ID) { + pr_warn_once("%s: possible use of set_memory_* on linear map on Hash from (%ps)\n", + __func__, __builtin_return_address(0)); return -EINVAL; + } } #endif -- 2.39.2
