Documentation for initramfs and early userspace

Linus, please pull from

http://klibc.bkbits.net/early_userspace

This adds some documentation of the initramfs file format and a brief overview of early userspace.

 00-INDEX                          |    2
 early-userspace/README            |   75 +++++++++++++++++++++++++

early-userspace/buffer-format.txt | 112 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 189 insertions(+)

# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher. # This patch includes the following deltas:
# ChangeSet 1.1135 -> 1.1136
# Documentation/00-INDEX 1.9 -> 1.10

#	               (new)	        -> 1.1     Documentation/early-userspace/README
#	               (new)	        -> 1.1     Documentation/early-userspace/buffer-format.txt

#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 03/08/21 [email protected] 1.1136
# Documentation for initramfs, klibc, and early userspace. # --------------------------------------------
#

diff -Nru a/Documentation/00-INDEX b/Documentation/00-INDEX
@@ -70,6 +70,8 @@
 	- info about directory notification in Linux.
 driver-model.txt
 	- info about Linux driver model.
+early-userspace/
+	- info about initramfs, klibc, and userspace early during boot.
 exception.txt
 	- how Linux v2.2 handles exceptions without verify_area etc.
 fb/