On Mon, Nov 05, 2018 at 11:29:27PM -0800, Randy Dunlap wrote: > On 11/5/18 10:35 PM, Mike Rapoport wrote: > > On Mon, Nov 05, 2018 at 01:12:40PM -0800, Matthew Wilcox wrote: > >> On Mon, Nov 05, 2018 at 09:58:15PM +0200, Mike Rapoport wrote: > >>> @@ -21,10 +21,10 @@ Virtual Memory Primer > >>> The physical memory in a computer system is a limited resource and > >>> even for systems that support memory hotplug there is a hard limit on > >>> the amount of memory that can be installed. The physical memory is not > >>> -necessary contiguous, it might be accessible as a set of distinct > >>> +necessary contiguous; it might be accessible as a set of distinct > >> > >> necessarily > >> > >>> address ranges. Besides, different CPU architectures, and even > >>> -different implementations of the same architecture have different view > >>> -how these address ranges defined. > >>> +different implementations of the same architecture have different views > >>> +of how these address ranges defined. > >> > >> "are defined"? > >> > >>> Each physical memory page can be mapped as one or more virtual > >>> pages. These mappings are described by page tables that allow > >>> -translation from virtual address used by programs to real address in > >>> -the physical memory. The page tables organized hierarchically. > >>> +translation from a virtual address used by programs to the real > >>> +address in the physical memory. The page tables are organized > >>> +hierarchically. > >> > >> I don't like the term "real address". Can we say "physical address in memory" here, or "address of physical memory" or something? > > > > I didn't really like it as well, but I couldn't think of any better > > adjective to emphasize that address in the physical memory is "the real > > thing". > > > > Maybe the best would be to drop "real" and make it > > > > "translation from a virtual address used by programs to the > > address in the physical memory" > > physical memory address ? Works for me, thanks! > > -- > ~Randy > -- Sincerely yours, Mike.
