diff options
Diffstat (limited to 'chapter08')
| -rw-r--r-- | chapter08/fstab.xml | 9 | ||||
| -rw-r--r-- | chapter08/kernel-inst.xml | 6 |
2 files changed, 9 insertions, 6 deletions
diff --git a/chapter08/fstab.xml b/chapter08/fstab.xml index 4c38ede0e..b89afd0c2 100644 --- a/chapter08/fstab.xml +++ b/chapter08/fstab.xml @@ -32,9 +32,12 @@ end of the line should be replaced with <emphasis>0 0</emphasis>, as such a partition does not need to be dumped or checked</para> <para>The <filename>/dev/shm</filename> mount point for tmpfs is included to -comply with Posix shared memory requirements. For more information on this, -see <filename>Documentation/filesystems/tmpfs.txt</filename> in the kernel -source tree.</para> +enable POSIX shared memory. Your kernel must have the required support built +into it for this to work. More about this in the next section. Please note that +currently, very little software actually uses POSIX shared memory. Therefore you +can consider the <filename>/dev/shm</filename> mount optional. For more +information, see <filename>Documentation/filesystems/tmpfs.txt</filename> in the +kernel source tree.</para> <para>There are other lines which you may consider adding to your <filename>fstab</filename> file. One example is a line to use if you intend to diff --git a/chapter08/kernel-inst.xml b/chapter08/kernel-inst.xml index 480db6a1b..00f6c23b1 100644 --- a/chapter08/kernel-inst.xml +++ b/chapter08/kernel-inst.xml @@ -30,9 +30,9 @@ kernel config file, <filename>.config</filename>, from your host system to the <filename class="directory">$LFS/usr/src/linux-&kernel-version;</filename> directory.</para> -<para>It's important to note that to be compliant with POSIX shared memory -requirements, we must enable the tmpfs filesystem option, and mount a tmpfs -filesystem at <filename>/dev/shm</filename>.</para> +<para>For POSIX shared memory support, ensure that the kernel config option +"Virtual memory file system support" is enabled. It resides within the "File +systems" menu and is normally enabled by default.</para> <para>Verify dependencies and create dependency information files:</para> |