commit 15de57024611ed6e668acbc440c5e360b0543374
Author: Florian Weimer <fweimer@redhat.com>
Date:   Thu Nov 27 14:20:03 2025 +0100

    Linux: Ignore PIDFD_GET_INFO in tst-pidfd-consts
    
    The constant is expected to change between kernel releases.
    
    Reviewed-by: Carlos O'Donell <carlos@redhat.com>

diff --git a/sysdeps/unix/sysv/linux/tst-pidfd-consts.py b/sysdeps/unix/sysv/linux/tst-pidfd-consts.py
index 5ef63acdd1c8a98e..ba0d6a1e78f62c1d 100644
--- a/sysdeps/unix/sysv/linux/tst-pidfd-consts.py
+++ b/sysdeps/unix/sysv/linux/tst-pidfd-consts.py
@@ -46,7 +46,13 @@ def main():
                 '#include <linux/pidfd.h>\n',
                 args.cc,
                 'PIDFD_.*',
-                None,
+                # Until at least Linux 6.17, the value of this
+                # constant depends on the size of struct pidfd_info,
+                # which is expected to get extended in future kernel
+                # versions.  As a result, the constant embedded in the
+                # glibc headers is expected not to match the UAPI
+                # constant.
+                '^PIDFD_GET_INFO$',
                 linux_version_glibc > linux_version_headers,
                 linux_version_headers > linux_version_glibc))