On 5/17/26 15:54, Zi Yan wrote: > collapse_file() now supports collapsing clean pagecache folios from > writable files, so add corresponding tests. > > Note that madvise(MADV_COLLAPSE) works for dirty pagecache folios from > writable files, because collapse_single_pmd() triggers a synchronous > writeback when first attempt of collapse_file() fails. That writeback > makes dirty folios clean and the retry of collapse_file() succeeds. > > Signed-off-by: Zi Yan <[email protected]> > Cc: Al Viro <[email protected]> > Cc: Baolin Wang <[email protected]> > Cc: Barry Song <[email protected]> > Cc: Chris Mason <[email protected]> > Cc: Christian Brauner <[email protected]> > Cc: David Hildenbrand (Arm) <[email protected]> > Cc: David Sterba <[email protected]> > Cc: Dev Jain <[email protected]> > Cc: Jan Kara <[email protected]> > Cc: Lance Yang <[email protected]> > Cc: Liam Howlett <[email protected]> > Cc: Lorenzo Stoakes <[email protected]> > Cc: Matthew Wilcox (Oracle) <[email protected]> > Cc: Michal Hocko <[email protected]> > Cc: Mike Rapoport <[email protected]> > Cc: Nico Pache <[email protected]> > Cc: Ryan Roberts <[email protected]> > Cc: Shuah Khan <[email protected]> > Cc: Song Liu <[email protected]> > Cc: Suren Baghdasaryan <[email protected]> > Cc: Vlastimil Babka <[email protected]> > ---
Acked-by: David Hildenbrand (Arm) <[email protected]> -- Cheers, David

