diff --git a/configure.ac b/configure.ac
index 043ec957f40894..935a39b27b68a9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5594,14 +5594,15 @@ AC_CHECK_DECLS([UT_NAMESIZE],
                          [Define if you have the 'HAVE_UT_NAMESIZE' constant.])],
               [],
               [@%:@include <utmp.h>])
-
+# musl libc redefines struct prctl_mm_map and conflicts with linux/prctl.h
+AS_IF([test "$ac_cv_libc" != musl], [
 AC_CHECK_DECLS([PR_SET_VMA_ANON_NAME],
               [AC_DEFINE([HAVE_PR_SET_VMA_ANON_NAME], [1],
                          [Define if you have the 'PR_SET_VMA_ANON_NAME' constant.])],
               [],
               [@%:@include <linux/prctl.h>
                @%:@include <sys/prctl.h>])
-
+])
 # check for openpty, login_tty, and forkpty
 
 AC_CHECK_FUNCS([openpty], [],