函数逻辑报告

函数名称：Subpool accounting for freeing and unreserving pages.* Return the number of global page reservations that must be dropped.* The return value may only be different than the passed value (delta)* in the case where a subpool minimum size must be maintained.

函数原型：static long hugepage_subpool_put_pages(struct hugepage_subpool *spool, long delta)

返回类型：long

参数：