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io_mapping_map_user") but reverted a month later by commit > > 0e4fe0c9f2f9 ("Revert "i915: use io_mapping_map_user"") back in 2021. > > > > Since then nobody has used it, so remove it. > > > > Signed-off-by: Lorenzo Stoakes > > --- > > include/linux/io-mapping.h | 231 ------------------------------------- > > mm/Kconfig | 4 - > > mm/Makefile | 1 - > > mm/io-mapping.c | 30 ----- > > 4 files changed, 266 deletions(-) > > delete mode 100644 include/linux/io-mapping.h > > delete mode 100644 mm/io-mapping.c > > [...] > > > -/* > > - * The io_mapping mechanism provides an abstraction for mapping > > - * individual pages from an io device to the CPU in an efficient fashion. > > - * > > - * See Documentation/driver-api/io-mapping.rst > > - */ > ^ > | > You'll want to get rid of that file --+ too > > jon Thanks for this, but it turns out we aren't getting rid of the header at all (doh!) just io_mapping_map_user()... It's been a long week :) Cheers, Lorenzo