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f0eb046cd3
A few page table walk entry callback functions in vaddr.c uses
damon_get_folio() with p{te,md}_pfn() to get the folio, and then
put_folio(). Simplify and drop unnecessary folio get/put by using
vm_normal_folio() and its friends instead.
Note that this cleanup was suggested by David Hildenbrand during a review
of another patch series [1] and the patch was updated following the
suggestion. This patch further applies the cleanup to DAMON code that
merged before the patch.
Link: https://lkml.kernel.org/r/20251112154114.66053-5-sj@kernel.org
Link: https://lore.kernel.org/0cb3d5a5-683b-4dba-90a8-b45ab83eec53@redhat.com [1]
Signed-off-by: SeongJae Park <sj@kernel.org>
Suggested-by: David Hildenbrand <david@kernel.org>
Cc: Bill Wendling <morbo@google.com>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Gow <davidgow@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Justin Stitt <justinstitt@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.