[Bug 97051] get_mempolicy(2) inconsistent with numaif.h

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org]

https://bugzilla.kernel.org/show_bug.cgi?id=97051

--- Comment #1 from Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Andi, could you comment on this bug?

Thanks,

Michael

On 22 April 2015 at 00:28,  <bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org> wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=97051
>
>             Bug ID: 97051
>            Summary: get_mempolicy(2) inconsistent with numaif.h
>            Product: Documentation
>            Version: unspecified
>           Hardware: All
>                 OS: Linux
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: man-pages
>           Assignee: documentation_man-pages-ztI5WcYan/vQLgFONoPN62D2FQJk+8+b@public.gmane.org
>           Reporter: nyh-TS7m/3hpY0sOpacJJkBjfT4kX+cae0hd@public.gmane.org
>         Regression: No
>
> get_mempolicy(2)'s synopsis is:
>
>        #include <numaif.h>
>
>        int get_mempolicy(int *mode, unsigned long *nodemask,
>                          unsigned long maxnode, unsigned long addr,
>                          unsigned long flags);
>
> However, the actual prototype in numif.h (and implementation in numactl's
> syscall.c) is subtly different:
>
>        long get_mempolicy(int *policy, const unsigned long *nmask,
>                         unsigned long maxnode, void *addr, int flags);
>
> The funny thing is, that prototype is isn't quite right either - it pretends
> nmask is a const pointer, but it most definitely isn't, and the data pointed by
> it get written to. But that isn't a man-page bug.
>
> --
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