Re: [PATCH RESEND 09/12] mm: make vm_area_desc utilise vma_flags_t only

From: Jason Gunthorpe

Date: Mon Jan 19 2026 - 18:14:08 EST


On Mon, Jan 19, 2026 at 09:19:11PM +0000, Lorenzo Stoakes wrote:
> +static inline bool is_shared_maywrite(vma_flags_t flags)
> +{

I'm not sure it is ideal to pass this array by value? Seems like it
might invite some negative optimizations since now the compiler has to
optimze away a copy too.

Jason