On 7/10/24 12:22, Liam R. Howlett wrote:
> The arch_unmap call was previously moved above the rbtree modifications
> in commit 5a28fc94c914 ("x86/mpx, mm/core: Fix recursive munmap()
> corruption"). The move was motivated by an issue with calling
> arch_unmap() after the rbtree was modified.
>
> Since the above commit, mpx was dropped from the kernel in 45fc24e89b7c
> ("x86/mpx: remove MPX from arch/x86"), so the motivation for calling
> arch_unmap() prior to modifying the vma tree no longer exists
> (regardless of rbtree or maple tree implementations).
>
> Furthermore, the powerpc implementation is also no longer needed as per
> [1] and [2]. So the arch_unmap() function can be completely removed.
Thanks for doing this cleanup, Liam!
Acked-by: Dave Hansen <dave.hansen@xxxxxxxxx>
