> A kernel-owned or fixed mapping is one which sets VMA_PFNMAP_BIT, > VMA_MIXEDMAP_BIT or VMA_DONTEXPAND_BIT, which is precisely what > VMA_SPECIAL_FLAGS tests for other than VMA_IO_BIT, which is safe to drop as > only kernel-owned mappings may set it. > > Using these predicates rather than VMA_SPECIAL_FLAGS makes the check > self-documenting and helps eliminate the confusion around 'special' flags. > > No functional change intended. > > Signed-off-by: Lorenzo Stoakes (ARM) <[email protected]>
Sashiko has reviewed this patch and found no issues. It looks great! -- Sashiko AI review ยท https://sashiko.dev/#/patchset/20260914-b4-mmap-prepare-vma-flag-sanify-v2-0-7d9781ed5...@kernel.org?part=35
