boot/param: Move next_arg() function to lib/cmdline.c for later reuse

next_arg() will be used to parse boot parameters in the x86/boot/compressed code,
so move it to lib/cmdline.c for better code reuse.

No change in functionality.

Signed-off-by: Baoquan He <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Gustavo Padovan <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Jessica Yu <[email protected]>
Cc: Johannes Berg <[email protected]>
Cc: Josh Triplett <[email protected]>
Cc: Larry Finger <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Niklas Söderlund <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Petr Mladek <[email protected]>
Cc: Rasmus Villemoes <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: zijun_hu <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 4c26dc3a8295..7ae256717a32 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -438,6 +438,7 @@ extern int get_option(char **str, int *pint);
 extern char *get_options(const char *str, int nints, int *ints);
 extern unsigned long long memparse(const char *ptr, char **retptr);
 extern bool parse_option_str(const char *str, const char *option);
+extern char *next_arg(char *args, char **param, char **val);
 
 extern int core_kernel_text(unsigned long addr);
 extern int core_kernel_data(unsigned long addr);