kcore: add Kconfig help text

Under Pseudo filesystems, /proc/kcore support has no help.

Fixes a portion of kernel bugzilla #52671:
  https://bugzilla.kernel.org/show_bug.cgi?id=52671

Thanks for David Howells for the help text.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: <lailavrazda1979@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig
index 15af622..2183fcf 100644 (file)
--- a/fs/proc/Kconfig
+++ b/fs/proc/Kconfig
@@ -31,6 +31,10 @@ config PROC_FS
 config PROC_KCORE
        bool "/proc/kcore support" if !ARM
        depends on PROC_FS && MMU
+       help
+         Provides a virtual ELF core file of the live kernel.  This can
+         be read with gdb and other ELF tools.  No modifications can be
+         made using this mechanism.
 
 config PROC_VMCORE
        bool "/proc/vmcore support"