On 10/28/24 22:19, Linus Torvalds wrote: > On Mon, 28 Oct 2024 at 11:00, Vlastimil Babka <vbabka@xxxxxxx> wrote: >> >> VM_MTE_ALLOWED is also set by arm64's arch_calc_vm_flag_bits(): >> >> if (system_supports_mte() && (flags & MAP_ANONYMOUS)) >> return VM_MTE_ALLOWED; > > Yeah, but that should just move into arch_validate_flags() too. > There's no reason why that's done in a separate place. > > Linus Right, and VM_DATA_DEFAULT_FLAGS is only used in do_brk_flags() which is also an anonymous VMA, and it doesn't perform arch_validate_flags() anyway.
