Re: [BUG REPORT] [mm-hotplug, aio] aio ring_pages can't be offlined

[Andrew Morton]

On Fri, 30 Nov 2012 18:29:30 +0800 Lin Feng <linfeng@xxxxxxxxxxxxxx> wrote:

> > add a new library function which callers can use before (or after?)
> > calling get_user_pages[_fast]().
> Sorry, I'm not quite understand what "library function" function means..
> Does it means a function aids get_user_pages() or totally wraps/replaces 
> get_user_pages(), or none of above?

"library function" is terminology for a general facility which
the core kernel makes available to other parts of the kernel. 
get_user_pages() is a library function, as are the functions in lib/,
etc.  "grep EXPORT_SYMBOL ./*/*.c"


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