Commit a1efe484 authored Nov 16, 2021 by Matthew Wilcox (Oracle)

mm: Remove folio_test_single



There's no need for this predicate; callers can just use
!folio_test_large().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

parent 9c325215

include/linux/page-flags.h

+0 −6

Original line number	Diff line number	Diff line
		@@ -686,12 +686,6 @@ static inline bool test_set_page_writeback(struct page *page)

		__PAGEFLAG(Head, head, PF_ANY) CLEARPAGEFLAG(Head, head, PF_ANY)

		/* Whether there are one or multiple pages in a folio */
		static inline bool folio_test_single(struct folio *folio)
		{
		return !folio_test_head(folio);
		}

		/**
		* folio_test_large() - Does this folio contain more than one page?
		* @folio: The folio to test.

mm/util.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -670,7 +670,7 @@ bool folio_mapped(struct folio *folio)
		{
		long i, nr;

		if (folio_test_single(folio))
		if (!folio_test_large(folio))
		return atomic_read(&folio->_mapcount) >= 0;
		if (atomic_read(folio_mapcount_ptr(folio)) >= 0)
		return true;