{"published":"2015-06-12 00:08:43","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkernhack.hatenablog.com%2Fentry%2F2015%2F06%2F12%2F000843\" title=\"buddy system:  __alloc_pages_slowpath()\u306e\u3056\u3063\u304f\u308a\u3068\u3057\u305f\u6d41\u308c\u3002 - \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/","blog_title":"\u03c6(\u30fb\u30fb*)\u309e \uff73\uff70\uff9d\u3000\u30ab\u30fc\u30cd\u30eb\u3068\u304b\u5f04\u3063\u305f\u308a\u306e\u30e1\u30e2","blog_url":"https://kernhack.hatenablog.com/","type":"rich","author_name":"masami256","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","title":"buddy system:  __alloc_pages_slowpath()\u306e\u3056\u3063\u304f\u308a\u3068\u3057\u305f\u6d41\u308c\u3002","url":"https://kernhack.hatenablog.com/entry/2015/06/12/000843","version":"1.0","categories":["linux","kernel"],"description":"Linux\u306ePage Allocator\u3067 __alloc_pages_slowpath()\u306e\u6d41\u308c\u3092\u30e1\u30e2\u7a0b\u5ea6\u306b\u3002 \u8aad\u3093\u3067\u3044\u308b\u30ab\u30fc\u30cd\u30eb\u306eversion\u306f4.0\u3002 __alloc_pages_nodemask()\u3067get_page_from_freelist()\u3092\u547c\u3093\u3060\u6642\u306bpage\u306e\u78ba\u4fdd\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u547c\u3070\u308c\u308b\u306e\u304c __alloc_pages_slowpath()\u3002 get_page_from_freelist()\u3082page\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u8272\u3005\u3068\u3084\u3063\u3066\u3044\u308b\u3051\u3069\u3001\u305d\u308c\u3067\u3082\u5931\u6557\u3057\u305f\u5834\u5408\u306e\u51e6\u7406\u306a\u306e\u3067\u3001\u3044\u308d\u3044\u308d\u3084\u308b\u3053\u3068\u304c\u591a\u3044\u3002 \u3053\u3053\u304b\u3089\u306f\u5b9f\u969b\u306b\u30b3\u30fc\u30c9\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002 \u307e\u305a\u3001\u6700\u521d\u306e\u307b\u3046\u3067\u3002\u307e\u305a\u3001gfp_\u2026","width":"100%","height":"190","image_url":"http://ecx.images-amazon.com/images/I/41AGC8LpKML.jpg"}