Messages in this thread | | | Date | Mon, 19 May 2014 21:14:29 +0200 | Subject | Re: remap_file_pages() use | From | Richard Weinberger <> |
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On Mon, May 19, 2014 at 5:17 PM, Kirill A. Shutemov <kirill.shutemov@linux.intel.com> wrote: > Christoph Hellwig wrote: >> On Mon, May 19, 2014 at 06:02:38PM +0300, Kirill A. Shutemov wrote: >> > > Stop right there. We found out about two real life users of >> > > remap_file_pages() already, without even committing the patches to warn >> > > about using it to any tree. >> > >> > Who is the second here? Oracle? >> >> PyPy. >> >> Oracle would be the third, although use of the feature is optional and >> fairly hard to opt in to, so I didn't count it. > > IIUC PyPy uses the syscall in some early prototype and looks like guys are > okay to rework it to mmap() if default sysctl_max_map_count will be high > enough.
A quick search on github exposed three more users: https://github.com/LotharSchwab/R-Framework https://github.com/const86/glgrab https://github.com/minimoog/virtualringbuffer
-- Thanks, //richard
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