# Re: \[RFC V3 1/8\] mm: Make ptrval\_to\_str() generally available

- From: Anshuman Khandual \<hidden\>
- Date: 2026-08-27 06:06:33 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2026/08/17467931
- Thread: https://ratatoskr.run/linux-alpha/2026/08/17426829/t.md

```text
On Mon, Aug 24, 2026 at 10:45:09AM -0500, Samuel Holland wrote:
> On 2026-08-17 11:00 PM, Anshuman Khandual wrote:
> > Move ptrval_to_str() inside a header thus making the helper more generally
> 
> Typo here and in subject: ptrval -> ptval

Fixed.

> 
> > available for new users which are being added later. While here, also move
> > another related string size macro PTVAL_STR_MAX inside the header as well.
> > 
> > Cc: Andrew Morton <akpm@linux-foundation.org>
> > Cc: David Hildenbrand <david@kernel.org>
> > Cc: Lorenzo Stoakes <ljs@kernel.org>
> > Cc: <redacted>
> > Cc: <redacted>
> > Signed-off-by: Anshuman Khandual <redacted>
> > ---
> >  include/linux/mm_types.h | 15 +++++++++++++++
> >  mm/memory.c              | 16 ++--------------
> >  2 files changed, 17 insertions(+), 14 deletions(-)
> > 
> > diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
> > index b18c2b2e7d2c..a5b514e55dd7 100644
> > --- a/include/linux/mm_types.h
> > +++ b/include/linux/mm_types.h
> > @@ -2001,4 +2001,19 @@ static inline unsigned long mmf_init_legacy_flags(unsigned long flags)
> >  	return flags & MMF_INIT_LEGACY_MASK;
> >  }
> >  
> > +void ptval_bytes_to_hex_str(char *buf, size_t buf_size, const void *entry, size_t entry_size);
> > +
> > +#define ptval_to_str(buf, val)								\
> >...

```