diff --git a/seamonkey.spec b/seamonkey.spec
index c8c62b6..d889f05 100644
--- a/seamonkey.spec
+++ b/seamonkey.spec
@@ -46,6 +46,8 @@ Source100:      find-external-requires
 Patch1:         xulrunner-15.0-gcc47.patch
 Patch5:         seamonkey-8.0-enable-addons.patch
 Patch10:        seamonkey-idl-parser-cachepath.patch
+Patch20:        seamonkey-2.13-jemalloc.patch
+Patch21:        seamonkey-2.12.1-nodecommit.patch
 
 Buildroot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 %if %{?system_nss}
@@ -124,6 +126,9 @@ pushd mozilla
 %patch10 -p3 -b .idl-parser-cachepath
 popd
 
+%patch20 -p1 -b .jemalloc
+%patch21 -p1 -b .nodecommit
+
 # fix obsoleted modifier in inspector
 sed -i -e 's/ *xpcnativewrappers=no//' mozilla/extensions/inspector/jar.mn
 
@@ -464,6 +469,8 @@ fi
 - change License to MPLv2.0
 - add seamonkey-related directories in mozilla-filesystem (#865054)
 - use proper MOZ_SMP_FLAGS
+- add patch for jemalloc for powerpc arches (#852698)
+- add patch to avoid decommit memory on powerpc arches (#852698)
 
 * Mon Oct 26 2012 Martin Stransky <stransky@redhat.com> 2.13.2-1
 - Update to 2.13.2