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-rw-r--r--Documentation/kdump/kdump.txt14
1 files changed, 11 insertions, 3 deletions
diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt
index 0705040531a5..3f4bc840da8b 100644
--- a/Documentation/kdump/kdump.txt
+++ b/Documentation/kdump/kdump.txt
@@ -109,7 +109,8 @@ There are two possible methods of using Kdump.
1092) Or use the system kernel binary itself as dump-capture kernel and there is 1092) Or use the system kernel binary itself as dump-capture kernel and there is
110 no need to build a separate dump-capture kernel. This is possible 110 no need to build a separate dump-capture kernel. This is possible
111 only with the architecutres which support a relocatable kernel. As 111 only with the architecutres which support a relocatable kernel. As
112 of today, i386, x86_64 and ia64 architectures support relocatable kernel. 112 of today, i386, x86_64, ppc64 and ia64 architectures support relocatable
113 kernel.
113 114
114Building a relocatable kernel is advantageous from the point of view that 115Building a relocatable kernel is advantageous from the point of view that
115one does not have to build a second kernel for capturing the dump. But 116one does not have to build a second kernel for capturing the dump. But
@@ -207,8 +208,15 @@ Dump-capture kernel config options (Arch Dependent, i386 and x86_64)
207Dump-capture kernel config options (Arch Dependent, ppc64) 208Dump-capture kernel config options (Arch Dependent, ppc64)
208---------------------------------------------------------- 209----------------------------------------------------------
209 210
210* Make and install the kernel and its modules. DO NOT add this kernel 2111) Enable "Build a kdump crash kernel" support under "Kernel" options:
211 to the boot loader configuration files. 212
213 CONFIG_CRASH_DUMP=y
214
2152) Enable "Build a relocatable kernel" support
216
217 CONFIG_RELOCATABLE=y
218
219 Make and install the kernel and its modules.
212 220
213Dump-capture kernel config options (Arch Dependent, ia64) 221Dump-capture kernel config options (Arch Dependent, ia64)
214---------------------------------------------------------- 222----------------------------------------------------------