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 <[email protected]>
Reported-by: <[email protected]>
Signed-off-by: David Howells <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig
index 15af6222f8a4fb465251dd97610460a9bc79639e..2183fcf41d5933d576724a4016cccd3adb4ce645 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"