{"version":"1.0","blog_title":"\u03c6(\u30fb\u30fb*)\u309e \uff73\uff70\uff9d\u3000\u30ab\u30fc\u30cd\u30eb\u3068\u304b\u5f04\u3063\u305f\u308a\u306e\u30e1\u30e2","title":"buddy allocator: compaction\u306e\u3056\u3063\u304f\u308a\u3068\u3057\u305f\u6d41\u308c","categories":["kernel","linux"],"published":"2015-06-14 13:10:09","type":"rich","image_url":"http://ecx.images-amazon.com/images/I/51177+TZReL.jpg","blog_url":"https://kernhack.hatenablog.com/","provider_url":"https://hatena.blog","height":"190","author_name":"masami256","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkernhack.hatenablog.com%2Fentry%2F2015%2F06%2F14%2F131009\" title=\"buddy allocator: compaction\u306e\u3056\u3063\u304f\u308a\u3068\u3057\u305f\u6d41\u308c - \u03c6(\u30fb\u30fb*)\u309e \uff73\uff70\uff9d\u3000\u30ab\u30fc\u30cd\u30eb\u3068\u304b\u5f04\u3063\u305f\u308a\u306e\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/masami256/","width":"100%","description":"__alloc_pages_slowpath()\u3067compaction\u306e\u51e6\u7406\u3092\u3059\u308b\u5834\u5408\u306e\u3056\u3063\u304f\u308a\u3068\u3057\u305f\u6d41\u308c\u3092\uff43\u2312\u3063\uff9f\u0434\uff9f)\u3063\u03c6 \uff92\uff93\uff92\uff93... __alloc_pages_slowpath()\u3067\u306f__alloc_pages_direct_compact()\u3092\u3053\u306e\u3088\u3046\u306b\u547c\u3093\u3067page\u306e\u78ba\u4fdd\u3092\u8a66\u307f\u308b\u3002 2700 /* 2701 * Try direct compaction. The first pass is asynchronous. Subsequent 2702 * attempts after direct reclaim are synchronous 2703 */ 2704 pag\u2026","url":"https://kernhack.hatenablog.com/entry/2015/06/14/131009","provider_name":"Hatena Blog"}