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From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>,
	Christian Brauner <brauner@kernel.org>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
	linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org
Subject: [PATCH 0/4] Use folio APIs in procfs
Date: Wed,  3 Apr 2024 18:14:51 +0100
Message-ID: <20240403171456.1445117-1-willy@infradead.org>
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Not sure whether Andrew or Christian will want to take this set of
fixes.  We're down to very few users of the PageFoo macros, with proc
being a major user.  After this patchset and another patchset I have
for khugepaged, we can get rid of PageActive, PageReadahead and
PageSwapBacked.

This patchset has the usual advantages in its own right of removing
hidden calls to compound_head().  We have the page table lock, so
the mapcount & refcount are stable and there can't be any races with
folios suddenly becoming tail pages.

Matthew Wilcox (Oracle) (4):
  proc: Convert gather_stats to use a folio
  proc: Convert smaps_page_accumulate to use a folio
  proc: Pass a folio to smaps_page_accumulate()
  proc: Convert smaps_pmd_entry to use a folio

 fs/proc/task_mmu.c | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

-- 
2.43.0