Messages in this thread | | | From | "Kirill A. Shutemov" <> | Subject | Re: remap_file_pages() use | Date | Mon, 19 May 2014 18:17:58 +0300 (EEST) |
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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.
-- Kirill A. Shutemov
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