On 18/06/25 1:48 PM, David Hildenbrand wrote: > On 18.06.25 06:12, Anshuman Khandual wrote: >> Add a new format for printing page table entries. >> >> Cc: Petr Mladek <pmladek@xxxxxxxx> >> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> >> Cc: Jonathan Corbet <corbet@xxxxxxx> >> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> >> Cc: David Hildenbrand <david@xxxxxxxxxx> >> Cc: linux-doc@xxxxxxxxxxxxxxx >> Cc: linux-kernel@xxxxxxxxxxxxxxx >> Cc: linux-mm@xxxxxxxxx >> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> >> --- >> Documentation/core-api/printk-formats.rst | 14 ++++++++++++++ >> lib/vsprintf.c | 20 ++++++++++++++++++++ >> mm/memory.c | 5 ++--- >> scripts/checkpatch.pl | 2 +- >> 4 files changed, 37 insertions(+), 4 deletions(-) >> >> diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst >> index 4b7f3646ec6ce..75a110b059ee1 100644 >> --- a/Documentation/core-api/printk-formats.rst >> +++ b/Documentation/core-api/printk-formats.rst >> @@ -689,6 +689,20 @@ Rust >> Only intended to be used from Rust code to format ``core::fmt::Arguments``. >> Do *not* use it from C. >> +Page Table Entry >> +---------------- >> + >> +:: >> + %ppte >> + >> +Print standard page table entry pte_t. >> + >> +Passed by reference. > > Curious, why the decision to pass by reference? Just to make this via %p<> based address mechanism. But wondering will it be better for the pte to be represented via value instead of reference ?
