[Intel-gfx] [PATCH 03/11] mm: add a vmap_pfn function

Add a proper helper to remap PFNs into kernel virtual space so that drivers don't have to abuse alloc_vm_area and open coded PTE manipulation for it. Signed-off-by: Christoph Hellwig --- include/linux/vmalloc.h | 1 + mm/Kconfig | 3 +++ mm/vmalloc.c| 45 ++

[Intel-gfx] [PATCH 03/11] mm: add a vmap_pfn function

Add a proper helper to remap PFNs into kernel virtual space so that drivers don't have to abuse alloc_vm_area and open coded PTE manipulation for it. Signed-off-by: Christoph Hellwig --- include/linux/vmalloc.h | 1 + mm/Kconfig | 3 +++ mm/vmalloc.c| 45 ++