On Thu Sep 17, 2026 at 12:22 PM EDT, Lorenzo Stoakes (ARM) wrote: > vma_is_special_huge() tests whether either the VMA_PFNMAP_BIT or > VMA_MIXEDMAP_BIT is set (i.e. whether the VMA is a kernel-owned mapping), > but with a DAX carve-out. > > DAX however no longer sets VMA_MIXEDMAP_BIT, so this carve-out is no longer > required. > > Therefore test for vma_is_kernel_owned() instead and also drop the > VMA_IO_BIT check, as it is now redundant since it is enforced that only > kernel-owned mappings can set this flag. > > This also eliminates another overloaded use of 'special' within mm. > > No functional change intended. > > Signed-off-by: Lorenzo Stoakes (ARM) <[email protected]> > --- > mm/huge_memory.c | 18 ++++-------------- > 1 file changed, 4 insertions(+), 14 deletions(-) > Acked-by: Zi Yan <[email protected]>
-- Best Regards, Yan, Zi
