On Tue 10-07-18 18:44:34, Linus Torvalds wrote: [...] > That was what I tried to encourage with actually removing the pages > form the page list. That would be an _incremental_ interface. You can > remove MAX_ORDER-1 pages one by one (or a hundred at a time), and mark > them free for ballooning that way. And if you still feel you have tons > of free memory, just continue removing more pages from the free list. We already have an interface for that. alloc_pages(GFP_NOWAIT, MAX_ORDER -1). So why do we need any array based interface? -- Michal Hocko SUSE Labs
