[PATCH 0/2] introduce DUMP_PREFIX_UNHASHED for hex dumps

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First patch updates print_hex_dump() and related functions to
allow callers to print hex dumps with unhashed addresses.  It
adds a new prefix type, so existing code is unchanged.

Second patch changes a page poising function to use the new
address type.  This is just an example of a change.  If it's
wrong, it doesn't need to be applied.

IMHO, hashed addresses make very little sense for hex dumps,
which print addresses in 16- or 32-byte increments.  Typical
use-case is to correlate an addresses in between one of these
increments with some other address, but that can't be done
if the addresses are hashed.  I expect most developers to
want to replace their usage of DUMP_PREFIX_ADDRESS with
DUMP_PREFIX_UNHASHED, now that they have the opportunity.

Timur Tabi (2):
  [v2] lib/hexdump: introduce DUMP_PREFIX_UNHASHED for unhashed
    addresses
  mm/page_poison: use unhashed address in hexdump for check_poison_mem()

 fs/seq_file.c          | 3 +++
 include/linux/printk.h | 8 +++++---
 lib/hexdump.c          | 9 +++++++--
 lib/seq_buf.c          | 9 +++++++--
 mm/page_poison.c       | 2 +-
 5 files changed, 23 insertions(+), 8 deletions(-)

-- 
2.25.1





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