# Re: \[PATCH 36/39\] mm: eliminate VM\_SPECIAL, VMA\_SPECIAL\_FLAGS

- From: sashiko-bot@kernel.org
- Date: 2026-09-08 20:41:10 
- List: linux-trace-kernel
- Page: https://ratatoskr.run/linux-trace-kernel/2026/09/17533702
- Thread: https://ratatoskr.run/bpf/2026/09/17533522/t.md

```text
> Every user of the VM_SPECIAL or VMA_SPECIAL_FLAGS has now been converted to
> predicates which explicitly express what is actually being checked for
> rather than the nebulous concept of possessing 'special' VMA flags.
> 
> In any case 'special' is not so special a term of art in mm - it includes
> VDSO/VVAR mappings, special in the sense of vm_normal_folio() and probably
> other cases too.
> 
> Therefore make things less special by eliminating these now unused flags.
> 
> No functional change intended.
> 
> Signed-off-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>

Sashiko has reviewed this patch and found no issues. It looks great!

-- 
Sashiko AI review · https://sashiko.dev/#/patchset/20260908-b4-mmap-prepare-vma-flag-sanify-v1-0-dacf19cce22b@kernel.org?part=36

```