6ae7fef5b9
Basically everything we need to monitor the global memory state of the system is now cleanly available via global_page_state(). The problem is that this interface is still fairly recent, and there has been one change in the page state enum which we need to handle. These changes basically boil down to the following: - If global_page_state() is available we should use it. Several autoconf checks have been added to detect the correct enum names. - If global_page_state() is not available check to see if get_zone_counts() symbol is available and use that. - If the get_zone_counts() symbol is not exported we have no choice be to dynamically aquire it at load time. This is an absolute last resort for old kernel which we don't want to patch to cleanly export the symbol. |
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