add_to_swap(...) send page to swap

[Systems Dev <systems.dev@xxxxxxxxx>]

Hi,

I need to be able to send a page to swap without having to duplicate
code, if possible.

mm/swap_state.c:int add_to_swap(struct page * page) seems to be a good
candidate but it is not exported for general or module use. I could
export the symbol manually on my local source base, but it's not a
solution should the source module be distributed.

Is there a reason for not exporting add_to_swap? Is there an
alternative function call?

thanks,

sd

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