Recommend DAX+pmem before pramfs

pramfs is unmaintained without updates since 2013. Although I haven't
independently verified the compatibility, it seems unlikely that
the kernel module will build or work with Linux >= 4.0.

As DAX+pmem is the modern tooling available, suggest it first and
make it clear that pramfs is for older kernels.

Signed-off-by: Kienan Stewart <kstewart@efficios.com>
Change-Id: I5acecd86c6353e9b5417479a90aaa78997c22705

diff --git a/2.12/lttng-docs-2.12.txt b/2.12/lttng-docs-2.12.txt
index 4b879478158f6ee3ad11e39a80eb9a646d8085aa..a57db841e5f1322a4625180fa01d5892430effca 100644 (file)
--- a/2.12/lttng-docs-2.12.txt
+++ b/2.12/lttng-docs-2.12.txt
@@ -7312,9 +7312,8 @@ structures in RAM and retrieve them after a reboot, without flushing
 to typical _storage_.
 
 Linux supports NVRAM file systems thanks to either
-http://pramfs.sourceforge.net/[PRAMFS] or
 https://www.kernel.org/doc/Documentation/filesystems/dax.txt[DAX]{nbsp}+{nbsp}http://lkml.iu.edu/hypermail/linux/kernel/1504.1/03463.html[pmem]
-(requires Linux{nbsp}4.1+).
+(requires Linux{nbsp}4.1+) or http://pramfs.sourceforge.net/[PRAMFS] (requires Linux{nbsp}<{nbsp}4).
 
 This section doesn't describe how to operate such file systems;
 we assume that you have a working persistent memory file system.

diff --git a/2.13/lttng-docs-2.13.txt b/2.13/lttng-docs-2.13.txt
index ec6c70066f327fc8290fb3d51d7c11cfef7c770b..d69aaabe76957cd5bf36ba3ef3abbdb89c960a59 100644 (file)
--- a/2.13/lttng-docs-2.13.txt
+++ b/2.13/lttng-docs-2.13.txt
@@ -8004,9 +8004,8 @@ memory can store data structures in RAM and retrieve them after a
 reboot, without flushing to typical _storage_.
 
 Linux supports NVRAM file systems thanks to either
-http://pramfs.sourceforge.net/[PRAMFS] or
 https://www.kernel.org/doc/Documentation/filesystems/dax.txt[DAX]{nbsp}+{nbsp}http://lkml.iu.edu/hypermail/linux/kernel/1504.1/03463.html[pmem]
-(requires Linux{nbsp}4.1+).
+(requires Linux{nbsp}4.1+) or http://pramfs.sourceforge.net/[PRAMFS] (requires Linux{nbsp}<{nbsp}4).
 
 This section doesn't describe how to operate such file systems; we
 assume that you have a working persistent memory file system.