diff --git a/config/deb.am b/config/deb.am
index 1b51f9316..58ab96e18 100644
--- a/config/deb.am
+++ b/config/deb.am
@@ -2,16 +2,16 @@ deb-local:
 	@(if test "${HAVE_DPKGBUILD}" = "no"; then \
 		echo -e "\n" \
 	"*** Required util ${DPKGBUILD} missing.  Please install the\n" \
-        "*** package for your distribution which provides ${DPKGBUILD},\n" \
+	"*** package for your distribution which provides ${DPKGBUILD},\n" \
 	"*** re-run configure, and try again.\n"; \
-                exit 1; \
+		exit 1; \
 	fi; \
 	if test "${HAVE_ALIEN}" = "no"; then \
 		echo -e "\n" \
 	"*** Required util ${ALIEN} missing.  Please install the\n" \
-        "*** package for your distribution which provides ${ALIEN},\n" \
+	"*** package for your distribution which provides ${ALIEN},\n" \
 	"*** re-run configure, and try again.\n"; \
-                exit 1; \
+		exit 1; \
 	fi)
 
 deb-kmod: deb-local rpm-kmod
diff --git a/config/kernel-acl.m4 b/config/kernel-acl.m4
index 311484349..02cc020e5 100644
--- a/config/kernel-acl.m4
+++ b/config/kernel-acl.m4
@@ -184,6 +184,7 @@ AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION_WITH_NAMEIDATA], [
 	AC_MSG_CHECKING([whether iops->permission() wants nameidata])
 	ZFS_LINUX_TRY_COMPILE([
 		#include <linux/fs.h>
+		#include <linux/sched.h>
 
 		int permission_fn(struct inode *inode, int mask,
 		    struct nameidata *nd) { return 0; }
diff --git a/config/kernel-create-nameidata.m4 b/config/kernel-create-nameidata.m4
index a71490a00..d4c155c57 100644
--- a/config/kernel-create-nameidata.m4
+++ b/config/kernel-create-nameidata.m4
@@ -5,6 +5,7 @@ AC_DEFUN([ZFS_AC_KERNEL_CREATE_NAMEIDATA], [
 	AC_MSG_CHECKING([whether iops->create() passes nameidata])
 	ZFS_LINUX_TRY_COMPILE([
 		#include <linux/fs.h>
+		#include <linux/sched.h>
 
 		#ifdef HAVE_MKDIR_UMODE_T
 		int inode_create(struct inode *inode ,struct dentry *dentry,
diff --git a/config/kernel-dentry-operations.m4 b/config/kernel-dentry-operations.m4
index 3182490c9..61f5a27af 100644
--- a/config/kernel-dentry-operations.m4
+++ b/config/kernel-dentry-operations.m4
@@ -5,6 +5,7 @@ AC_DEFUN([ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA], [
 	AC_MSG_CHECKING([whether dops->d_revalidate() takes struct nameidata])
 	ZFS_LINUX_TRY_COMPILE([
 		#include <linux/dcache.h>
+		#include <linux/sched.h>
 
 		int revalidate (struct dentry *dentry,
 		    struct nameidata *nidata) { return 0; }
diff --git a/config/kernel-get-link.m4 b/config/kernel-get-link.m4
index 022c49c54..3cda08c1b 100644
--- a/config/kernel-get-link.m4
+++ b/config/kernel-get-link.m4
@@ -41,7 +41,7 @@ AC_DEFUN([ZFS_AC_KERNEL_FOLLOW_LINK], [
 			AC_DEFINE(HAVE_FOLLOW_LINK_NAMEIDATA, 1,
 			          [iops->follow_link() nameidata])
 		],[
-                        AC_MSG_ERROR(no; please file a bug report)
+			AC_MSG_ERROR(no; please file a bug report)
 		])
 	])
 ])
diff --git a/config/kernel-lookup-nameidata.m4 b/config/kernel-lookup-nameidata.m4
index 43f5fb4cb..5453be5e8 100644
--- a/config/kernel-lookup-nameidata.m4
+++ b/config/kernel-lookup-nameidata.m4
@@ -5,6 +5,7 @@ AC_DEFUN([ZFS_AC_KERNEL_LOOKUP_NAMEIDATA], [
 	AC_MSG_CHECKING([whether iops->lookup() passes nameidata])
 	ZFS_LINUX_TRY_COMPILE([
 		#include <linux/fs.h>
+		#include <linux/sched.h>
 
 		struct dentry *inode_lookup(struct inode *inode,
 		    struct dentry *dentry, struct nameidata *nidata)
diff --git a/config/kernel-vm_node_stat.m4 b/config/kernel-vm_node_stat.m4
index e1c42f884..5dcd9d827 100644
--- a/config/kernel-vm_node_stat.m4
+++ b/config/kernel-vm_node_stat.m4
@@ -7,7 +7,7 @@ AC_DEFUN([ZFS_AC_KERNEL_VM_NODE_STAT], [
 	ZFS_LINUX_TRY_COMPILE([
 		#include <linux/mm.h>
 		#include <linux/vmstat.h>
-        ],[
+	],[
 			int a __attribute__ ((unused)) = NR_VM_NODE_STAT_ITEMS;
 			long x __attribute__ ((unused)) =
 				atomic_long_read(&vm_node_stat[0]);
diff --git a/config/kernel.m4 b/config/kernel.m4
index 805ec60a1..e9eec70d4 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -711,7 +711,7 @@ AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [
 	modpost_flag=''
 	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
 	AS_IF(
-		[AC_TRY_COMMAND(cp conftest.c conftest.h build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag) >/dev/null && AC_TRY_COMMAND([$3])],
+		[AC_TRY_COMMAND(cp conftest.c conftest.h build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $FRAME_LARGER_THAN $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag) >/dev/null && AC_TRY_COMMAND([$3])],
 		[$4],
 		[_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])]
 	)
diff --git a/config/tgz.am b/config/tgz.am
index 2997b1de2..0657d045d 100644
--- a/config/tgz.am
+++ b/config/tgz.am
@@ -2,9 +2,9 @@ tgz-local:
 	@(if test "${HAVE_ALIEN}" = "no"; then \
 		echo -e "\n" \
 	"*** Required util ${ALIEN} missing.  Please install the\n" \
-        "*** package for your distribution which provides ${ALIEN},\n" \
+	"*** package for your distribution which provides ${ALIEN},\n" \
 	"*** re-run configure, and try again.\n"; \
-                exit 1; \
+		exit 1; \
 	fi)
 
 tgz-kmod: tgz-local rpm-kmod
diff --git a/config/user-libblkid.m4 b/config/user-libblkid.m4
index 5bc7f466a..88e6f990b 100644
--- a/config/user-libblkid.m4
+++ b/config/user-libblkid.m4
@@ -6,7 +6,7 @@ AC_DEFUN([ZFS_AC_CONFIG_USER_LIBBLKID], [
 	LIBBLKID=
 
 	AC_CHECK_HEADER([blkid/blkid.h], [], [AC_MSG_FAILURE([
-        *** blkid.h missing, libblkid-devel package required])])
+	*** blkid.h missing, libblkid-devel package required])])
 
 	AC_SUBST([LIBBLKID], ["-lblkid"])
 	AC_DEFINE([HAVE_LIBBLKID], 1, [Define if you have libblkid])
diff --git a/config/user-libssl.m4 b/config/user-libssl.m4
index b65a51400..f6824510f 100644
--- a/config/user-libssl.m4
+++ b/config/user-libssl.m4
@@ -5,7 +5,7 @@ AC_DEFUN([ZFS_AC_CONFIG_USER_LIBSSL], [
 	LIBSSL=
 
 	AC_CHECK_HEADER([openssl/evp.h], [], [AC_MSG_FAILURE([
-        *** evp.h missing, libssl-devel package required])])
+	*** evp.h missing, libssl-devel package required])])
 
 	AC_SUBST([LIBSSL], ["-lssl -lcrypto"])
 	AC_DEFINE([HAVE_LIBSSL], 1, [Define if you have libssl])