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So allocate a folio instead of a compound p= age >> and rename io_mem_alloc_compound() to io_mem_alloc_folio(). >> >> This prepares for code separation of compound page and folio in a foll= ow-up >> commit. >> >> Signed-off-by: Zi Yan >> --- >> io_uring/memmap.c | 12 ++++++------ >> 1 file changed, 6 insertions(+), 6 deletions(-) >> >> diff --git a/io_uring/memmap.c b/io_uring/memmap.c >> index 7d3c5eb58480..8ed8a78d71cc 100644 >> --- a/io_uring/memmap.c >> +++ b/io_uring/memmap.c >> @@ -15,10 +15,10 @@ >> #include "rsrc.h" >> #include "zcrx.h" >> -static bool io_mem_alloc_compound(struct page **pages, int nr_pages,= >> +static bool io_mem_alloc_folio(struct page **pages, int nr_pages, >> size_t size, gfp_t gfp) >> { >> - struct page *page; >> + struct folio *folio; >> int i, order; >> order =3D get_order(size); >> @@ -27,12 +27,12 @@ static bool io_mem_alloc_compound(struct page **pa= ges, int nr_pages, > > Nit: > >> else if (order) >> gfp |=3D __GFP_COMP; > > Since we're switching to folio_alloc(), which already adds __GFP_COMP > internally, the "else if (order)" part above can be dropped while at it= =2E > > IIUC, for order =3D=3D 0, __GFP_COMP gets ignored anyway: > > - prep_new_page() won't call prep_compound_page() (since order is zero= ) > - page_rmappable_folio() sees a non-compound page and does nothing > > So no behavior change there :) > Sure. Will update it in the next version. Thanks. -- Best Regards, Yan, Zi