This teaches our printing functions about a new family of MM pointer that it could now print.
I've picked %pZ because %pm and %pM were already taken, so I figured it doesn't really matter what we go with. We also have the option of stealing one of those two... Signed-off-by: Sasha Levin <[email protected]> --- lib/vsprintf.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 8243e2f..809d19d 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -1375,6 +1375,16 @@ char *comm_name(char *buf, char *end, struct task_struct *tsk, return string(buf, end, name, spec); } +static noinline_for_stack +char *mm_pointer(char *buf, char *end, struct task_struct *tsk, + struct printf_spec spec, const char *fmt) +{ + switch (fmt[1]) { + } + + return buf; +} + int kptr_restrict __read_mostly; /* @@ -1463,6 +1473,7 @@ int kptr_restrict __read_mostly; * (legacy clock framework) of the clock * - 'Cr' For a clock, it prints the current rate of the clock * - 'T' task_struct->comm + * - 'Z' Outputs a readable version of a type of memory management struct. * * Note: The difference between 'S' and 'F' is that on ia64 and ppc64 * function pointers are really function descriptors, which contain a @@ -1615,6 +1626,8 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, spec, fmt); case 'T': return comm_name(buf, end, ptr, spec, fmt); + case 'Z': + return mm_pointer(buf, end, ptr, spec, fmt); } spec.flags |= SMALL; if (spec.field_width == -1) { -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
