diff --git a/chapter08/e2fsprogs.xml b/chapter08/e2fsprogs.xml
index 308c97709..65d8604cd 100644
--- a/chapter08/e2fsprogs.xml
+++ b/chapter08/e2fsprogs.xml
@@ -108,14 +108,16 @@ cd       build</userinput></screen>
     <para>To run the tests, issue:</para>
 
 <screen><userinput remap="test">make check</userinput></screen>
-
+<!-- This is a ridiculous amount now! And is it still true?
     <para>One of the e2fsprogs tests will attempt to allocate 256 MB of memory.
     If you do not have significantly more RAM than this, be sure to enable
     sufficient swap space for the test. See <xref
     linkend="ch-partitioning-creatingfilesystem"/> and <xref
     linkend="ch-partitioning-mounting"/>
     for details on creating and enabling swap space.</para>
-
+-->
+    <para>On a spinning disk, the tests take a little more than 4 SBUs. They
+    can be much shorter on an SSD (down to about 1.5 SBUs).</para>
     <para>Install the package:</para>
 
 <screen><userinput remap="install">make install</userinput></screen>
diff --git a/chapter08/strippingagain.xml b/chapter08/strippingagain.xml
index fb2a1b55f..d436fcbda 100644
--- a/chapter08/strippingagain.xml
+++ b/chapter08/strippingagain.xml
@@ -13,7 +13,7 @@
   <para>This section is optional.  If the intended user is not a 
   programmer and does not plan to do
   any debugging on the system software, the system size can be decreased
-  by about 90 MB by removing the debugging symbols from binaries and
+  by about 2 GB by removing the debugging symbols from binaries and
   libraries. This causes no inconvenience other than not being able to
   debug the software fully anymore.</para>
 
diff --git a/packages.ent b/packages.ent
index efb27879f..62cbd0f4c 100644
--- a/packages.ent
+++ b/packages.ent
@@ -160,7 +160,7 @@
 <!ENTITY e2fsprogs-md5 "cccfb706d162514e4f9dbfbc9e5d65ee">
 <!ENTITY e2fsprogs-home "http://e2fsprogs.sourceforge.net/">
 <!ENTITY e2fsprogs-fin-du "106 MB">
-<!ENTITY e2fsprogs-fin-sbu "4.4 SBU">
+<!ENTITY e2fsprogs-fin-sbu "4.4 SBU on a spinning disk, 1.7 SBU on an SSD">
 
 <!ENTITY elfutils-version "0.179">
 <!ENTITY elfutils-size "8,846 KB">
@@ -426,7 +426,7 @@
 <!ENTITY libpipeline-md5 "169de4cc1f6f7f7d430a5bed858b2fd3">
 <!ENTITY libpipeline-home "http://libpipeline.nongnu.org/">
 <!ENTITY libpipeline-fin-du "10 MB">
-<!ENTITY libpipeline-fin-sbu "1.9 SBU">
+<!ENTITY libpipeline-fin-sbu "0.2 SBU">
 
 <!ENTITY libtool-version "2.4.6">
 <!ENTITY libtool-size "951 KB">