Re: [PATCH 22/30] mm/vma: move __install_special_mapping() to vma.c

[Gregory Price]

On Mon, Jun 29, 2026 at 01:23:33PM +0100, Lorenzo Stoakes wrote:
> This function is operating on VMAs and rightly belongs in vma.c, where it
> can be subject to VMA userland testing and allows us to isolate it from the
> rest of mm.
> 
> The _install_special_mapping() function will remain in mmap.c as a wrapper,
> since this is used by architecture-specific code.
> 
> Doing so allows us to isolate more functions in vma.c for the same reasons.
> 
> This forms part of work to allow for tracking MAP_PRIVATE file-backed
> mappings by their anonymous virtual page offset, as doing so allows us to
> isolate and keep code that interacts with this together.
> 
> No functional change intended.
> 
> Signed-off-by: Lorenzo Stoakes <ljs@xxxxxxxxxx>

Reviewed-by: Gregory Price <gourry@xxxxxxxxxx>