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    SubjectRe: remap_file_pages() use
    Date
    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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