On Fri, Apr 26, 2024 at 1:30 AM Mike Rapoport <rppt@xxxxxxxxxx> wrote: > > From: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx> > > Several architectures override module_alloc() only to define address > range for code allocations different than VMALLOC address space. > > Provide a generic implementation in execmem that uses the parameters for > address space ranges, required alignment and page protections provided > by architectures. > > The architectures must fill execmem_info structure and implement > execmem_arch_setup() that returns a pointer to that structure. This way the > execmem initialization won't be called from every architecture, but rather > from a central place, namely a core_initcall() in execmem. > > The execmem provides execmem_alloc() API that wraps __vmalloc_node_range() > with the parameters defined by the architectures. If an architecture does > not implement execmem_arch_setup(), execmem_alloc() will fall back to > module_alloc(). > > Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx> Acked-by: Song Liu <song@xxxxxxxxxx>
