diff --git a/sys/conf/files.alpha b/sys/conf/files.alpha
index 5ab03db9d173..30426651aeb6 100644
--- a/sys/conf/files.alpha
+++ b/sys/conf/files.alpha
@@ -205,6 +205,7 @@ libkern/alpha/bswap16.S		standard
 libkern/alpha/bswap32.S		standard
 libkern/bcmp.c			standard
 libkern/ffs.c			standard
+libkern/fls.c			standard
 dev/fb/tga.c			optional	tga
 dev/fb/boot_font.c		optional	tga
 dev/tga/tga_pci.c		optional	tga
diff --git a/sys/conf/files.i386 b/sys/conf/files.i386
index b634006729f6..3c30a554cc7e 100644
--- a/sys/conf/files.i386
+++ b/sys/conf/files.i386
@@ -166,6 +166,8 @@ geom/geom_bsd.c			standard
 geom/geom_bsd_enc.c		standard
 geom/geom_mbr.c			standard
 geom/geom_mbr_enc.c		standard
+libkern/ffsl.c			standard
+libkern/flsl.c			standard
 i386/acpica/OsdEnvironment.c	optional	acpi
 i386/acpica/acpi_machdep.c	optional	acpi
 i386/acpica/acpi_toshiba.c	optional	acpi_toshiba acpi
diff --git a/sys/conf/files.ia64 b/sys/conf/files.ia64
index 98a9b28e4c70..39b51832a0a1 100644
--- a/sys/conf/files.ia64
+++ b/sys/conf/files.ia64
@@ -138,6 +138,9 @@ isa/syscons_isa.c		optional	sc
 isa/vga_isa.c			optional	vga
 kern/imgact_elf32.c		optional	ia32
 libkern/bcmp.c			standard
+libkern/ffsl.c			standard
+libkern/fls.c			standard
+libkern/flsl.c			standard
 libkern/ia64/__divdi3.S		standard
 libkern/ia64/__divsi3.S		standard
 libkern/ia64/__moddi3.S		standard
diff --git a/sys/conf/files.powerpc b/sys/conf/files.powerpc
index 22c0d03e708a..8d0236108d1f 100644
--- a/sys/conf/files.powerpc
+++ b/sys/conf/files.powerpc
@@ -60,6 +60,9 @@ libkern/ashrdi3.c		standard
 libkern/bcmp.c			standard
 libkern/divdi3.c		standard
 libkern/ffs.c			standard
+libkern/ffsl.c			standard
+libkern/fls.c			standard
+libkern/flsl.c			standard
 libkern/lshrdi3.c		standard
 libkern/moddi3.c		standard
 libkern/qdivrem.c		standard
diff --git a/sys/conf/files.sparc64 b/sys/conf/files.sparc64
index 69bfcc8c1bae..a89824c0e619 100644
--- a/sys/conf/files.sparc64
+++ b/sys/conf/files.sparc64
@@ -38,8 +38,10 @@ geom/geom_bsd.c			standard
 geom/geom_bsd_enc.c		standard
 geom/geom_sunlabel.c		standard
 geom/geom_sunlabel_enc.c	standard
-libkern/ffs.c			standard
 kern/syscalls.c			optional	ktr
+libkern/ffsl.c			standard
+libkern/fls.c			standard
+libkern/flsl.c			standard
 sparc64/central/central.c	optional	central
 sparc64/creator/creator_upa.c	optional	creator sc
 sparc64/ebus/ebus.c		optional	ebus