Michal Hocko wrote: > [CCing Kirill and other people involved] > > On Sun 18-05-14 00:03:28, Kenny Simpson wrote: > > I saw that remap_file_pages() was possibly going away to be replaced > > by some emulation. I've used this call in several projects over the > > years mostly as a way of mapping multiple virtual memory pages to > > alias the same private or shared memory region (to do things like > > circular buffers). mmap() > > in the case of anonymous memory doesn't work as well since there is > > not a file descriptor to reference. > > > > Would this sort of thing be supported in the emulation, or should I be > > planning on reimplementing/rewriting some things?
>From functional POV, emulation *should* be identical to original remap_file_pages(), but slower. It would be nice, if you test it early. It's not clear yet how long emulation will be there. Is there a reason why you can't use fd from shared memory (shm_open() or direct open() on /dev/shm/xxx)? -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/