On Sun, Feb 02, 2020 at 05:17:53AM +0100, Brian Geffon wrote: > On Wed, Jan 29, 2020 at 11:46 AM Kirill A. Shutemov > <kirill@xxxxxxxxxxxxx> wrote: > > Any better options for the flag name? (I have none) > > The other option is that it's broken up into two new flags the first > MREMAP_MUSTMOVE which can be used regardless of whether or not you're > leaving the original mapping mapped. This would do exactly what it > describes: move the mapping to a new address with or without > MREMAP_FIXED, this keeps consistency with MAYMOVE. > > The second flag would be the new MREMAP_DONTUNMAP flag which requires > MREMAP_MUSTMOVE, again with or without MREMAP_FIXED. > > What are your thoughts on this? Sounds reasonable. MREMAP_DONTUNMAP doesn't really convey that you move pages to the new mapping, but leave empty mapping behind. But I guess there's only so much you can encode into the name. (Patch to the man page should do the rest) -- Kirill A. Shutemov
