Re: [PATCH v34 10/24] mm: Add vm_ops->mprotect()

[Matthew Wilcox]

On Wed, Jul 08, 2020 at 05:33:20PM +0300, Jarkko Sakkinen wrote:
> I get the point but I don't think that your proposal could work given
> that mprotect-callback takes neither 'prev' nor 'newflags' as its
> parameters. The current callback has no means to call mprotect_fixup()
> properly.
> 
> It would have to be extended
> 
> 	int (*mprotect)(struct vm_area_struct *vma,
> 			struct vm_area_struct **pprev, unsigned long start,
> 			unsigned long end, unsigned long prot,
> 			unsigned long newflags);
> 
> Is this what you want?

https://lore.kernel.org/linux-mm/20200625173050.GF7703@xxxxxxxxxxxxxxxxxxxx/