* [PATCH] kselftest: alloc_tag: use the ll64 types on powerpc64
@ 2026-11-03 15:54 Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2026-11-03 15:54 UTC (permalink / raw)
To: Suren Baghdasaryan
Cc: Hao Ge, Shuah Khan, linux-mm, linux-kselftest, linux-kernel
On powerpc64 __u64 is an unsigned long unless __SANE_USERSPACE_TYPES__
is defined, so printing and scanning the __u64 fields with %llu warns:
allocinfo_ioctl_test.c:93:73: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 2 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
Define __SANE_USERSPACE_TYPES__, as other selftests do.
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
KernelCI's powerpc kselftest builds show this. The define makes the same
change on alpha and mips64 and none on the other architectures; the
x86_64 and 32-bit builds don't change.
tools/testing/selftests/alloc_tag/allocinfo_ioctl_test.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/testing/selftests/alloc_tag/allocinfo_ioctl_test.c b/tools/testing/selftests/alloc_tag/allocinfo_ioctl_test.c
index 74fd64b2370cc..18c761fecfde0 100644
--- a/tools/testing/selftests/alloc_tag/allocinfo_ioctl_test.c
+++ b/tools/testing/selftests/alloc_tag/allocinfo_ioctl_test.c
@@ -1,4 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
+#define __SANE_USERSPACE_TYPES__
/* kselftest for allocinfo ioctl
* allocinfo ioctl retrieves allocinfo data through ioctl
--
2.53.0
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