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David Hildenbrand (Arm)
8803f88331
Patch series "mm: remove page_mapped()". While preparing my slides for an LSF/MM talk, I realized that I did not yet remove page_mapped(). So let's do that. In the BPF arena code it's unclear which memdesc we would want to allocate in the future: certainly something with a refcount, but likely none with a mapcount. So let's just rely on the page refcount instead to decide whether we want to try zapping the page from user page tables. This patch (of 3): We already have the folio in our hands, so let's just use folio_mapped(). Link: https://lore.kernel.org/[email protected] Link: https://lore.kernel.org/[email protected] Signed-off-by: David Hildenbrand (Arm) <[email protected]> Reviewed-by: Matthew Wilcox (Oracle) <[email protected]> Cc: Alexei Starovoitov <[email protected]> Cc: Andrii Nakryiko <[email protected]> Cc: Eduard Zingerman <[email protected]> Cc: Harry Yoo <[email protected]> Cc: Jann Horn <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: John Paul Adrian Glaubitz <[email protected]> Cc: Kumar Kartikeya Dwivedi <[email protected]> Cc: Liam R. Howlett <[email protected]> Cc: Lorenzo Stoakes <[email protected]> Cc: Martin KaFai Lau <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Mike Rapoport <[email protected]> Cc: Rich Felker <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Song Liu <[email protected]> Cc: Suren Baghdasaryan <[email protected]> Cc: Vlastimil Babka <[email protected]> Cc: Yonghong Song <[email protected]> Cc: Yoshinori Sato <[email protected]> Signed-off-by: Andrew Morton <[email protected]>