{"id":3564,"date":"2011-12-12T22:11:15","date_gmt":"2011-12-12T14:11:15","guid":{"rendered":"http:\/\/edsionte.com\/techblog\/?p=3564"},"modified":"2012-03-27T20:03:57","modified_gmt":"2012-03-27T12:03:57","slug":"%e4%b8%8e%e8%99%9a%e6%8b%9f%e5%86%85%e5%ad%98%e5%8c%ba%e5%9f%9f%e6%9c%89%e5%85%b3%e7%9a%84%e6%93%8d%e4%bd%9c%e5%87%bd%e6%95%b0%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/edsionte.com\/techblog\/archives\/3564","title":{"rendered":"\u4e0e\u865a\u62df\u5185\u5b58\u533a\u57df\u6709\u5173\u7684\u64cd\u4f5c"},"content":{"rendered":"

\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u62e5\u6709\u4e00\u6bb5\u8fde\u7eed\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\uff0c\u5185\u6838\u5b9e\u9645\u7684\u4f7f\u7528\u60c5\u51b5\u5e76\u4e0d\u662f\u4ee5\u6574\u4e2a\u5730\u5740\u7a7a\u95f4\u4e3a\u5355\u4f4d\uff0c\u800c\u662f\u5c06\u6574\u4e2a\u8fde\u7eed\u7684\u7a7a\u95f4\u5212\u5206\u4e3a\u82e5\u5e72\u4e2a\u5185\u5b58\u533a\u57df\uff0c\u5185\u6838\u4e2d\u4f7f\u7528vm_area_struct\u6570\u636e\u7ed3\u6784\u6765\u8868\u793a\uff0c\u7b80\u79f0vma\u3002\u5f53\u8fdb\u7a0b\u9700\u8981\u4f7f\u7528\u5185\u5b58\u65f6\uff0c\u5185\u6838\u5148\u4e3a\u8be5\u8fdb\u7a0b\u5206\u914d\u4e00\u4e2a\u5408\u9002\u5927\u5c0f\u7684\u865a\u62df\u5185\u5b58\u533a\u57df\uff0c\u6b64\u65f6\u5e76\u4e0d\u7acb\u523b\u4e3a\u6b64\u5185\u5b58\u533a\u57df\u6620\u5c04\u7269\u7406\u9875\u6846\uff0c\u800c\u662f\u4e00\u76f4\u5ef6\u8fdf\u5230\u8fdb\u7a0b\u4e0d\u5f97\u4e0d\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u4e3a\u6b62\u3002<\/p>\n

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1.\u901a\u8fc7\u7ebf\u6027\u5730\u5740\u67e5\u627e\u6700\u4e34\u8fd1\u7684\u533a\u57df<\/h3>\n

\u5185\u6838\u4e2d\u901a\u5e38\u4f1a\u6709\u8fd9\u6837\u7684\u64cd\u4f5c\u9700\u6c42\uff1a\u7ed9\u5b9a\u4e00\u4e2a\u865a\u62df\u5730\u5740\uff0c\u67e5\u627e\u8be5\u5730\u5740\u6700\u4e34\u8fd1\u7684\u5185\u5b58\u533a\u57df,find_vma()\u7528\u6765\u5b8c\u6210\u8fd9\u6837\u7684\u64cd\u4f5c\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5e0c\u671b\u6070\u597d\u627e\u5230\u8be5\u7ebf\u6027\u5730\u5740\u6240\u5c5e\u7684\u5185\u5b58\u533a\u57df\u3002\u4f46\u662f\u8fd9\u79cd\u7ed3\u679c\u4e0d\u4f1a\u6bcf\u6b21\u90fd\u53d1\u751f\uff0c\u8be5\u7ebf\u6027\u5730\u5740\u6709\u53ef\u80fd\u4e0d\u5c5e\u4e8e\u5f53\u524d\u5df2\u5b58\u5728\u7684\u4efb\u4f55\u5185\u5b58\u533a\u57df\uff0c\u6b64\u65f6\u53ea\u9700\u8fd4\u56de\u7b2c\u4e00\u4e2a\u7ec8\u6b62\u5730\u5740\u5927\u4e8e\u8be5\u865a\u62df\u5730\u5740\u7684\u5185\u5b58\u533a\u3002\u5982\u679c\u6ca1\u6709\u7b26\u5408\u4e0a\u8ff0\u8981\u6c42\u7684\u5185\u5b58\u533a\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u7a7a\u3002\u56e0\u6b64\uff0cfind_vma()\u627e\u5230\u7684\u533a\u57df\u548c\u7ebf\u6027\u5730\u5740addr\u7684\u5173\u7cfb\u5982\u4e0b\u56fe\uff1a<\/p>\n

\"\"<\/a><\/p>\n

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\u6839\u636e\u7ea2\u9ed1\u6811\u7684\u7279\u70b9\uff0c\u5982\u679c\u5f53\u524d\u7684vma\u7684\u7ec8\u6b62\u5730\u5740\u5927\u4e8eaddr\uff0c\u518d\u8fdb\u4e00\u6b65\u68c0\u67e5vma\u7684\u8d77\u59cb\u5730\u5740\u662f\u5426\u5c0f\u4e8eaddr\u3002\u5982\u679c\u8d77\u59cb\u5730\u5740\u5c0f\u4e8eaddr\u5219\u8bf4\u660e\u67e5\u627e\u6210\u529f\uff0c\u9000\u51fa\u5faa\u73af\uff0c\u5426\u5219\u7ee7\u7eed\u5411\u5de6\u67e5\u627e\u3002\u5982\u679cvma\u7684\u7ec8\u6b62\u5730\u5740\u5c0f\u4e8eaddr\uff0c\u5219\u5411\u53f3\u641c\u7d22\u3002\u6700\u540e\uff0c\u5c06\u627e\u5230\u7684vma\u518d\u6b21\u4fdd\u5b58\u5230mmap_cache\u4e2d\u3002<\/p>\n

\r\nstruct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)\r\n{\r\n        struct vm_area_struct *vma = NULL;\r\n\r\n        if (mm) {\r\n                vma = mm->mmap_cache;\r\n                if (!(vma && vma->vm_end > addr && vma->vm_start <= addr)) {\r\n                        struct rb_node * rb_node;\r\n\r\n                        rb_node = mm->mm_rb.rb_node;\r\n                        vma = NULL;\r\n\r\n                        while (rb_node) {\r\n                                struct vm_area_struct * vma_tmp;\r\n\r\n                                vma_tmp = rb_entry(rb_node,\r\n                                                struct vm_area_struct, vm_rb);\r\n\r\n                                if (vma_tmp->vm_end > addr) {\r\n                                        vma = vma_tmp;\r\n                                        if (vma_tmp->vm_start <= addr)\r\n                                                break;\r\n                                        rb_node = rb_node->rb_left;\r\n                                } else\r\n                                        rb_node = rb_node->rb_right;\r\n                        }\r\n                        if (vma)\r\n                                mm->mmap_cache = vma;\r\n                }\r\n        }\r\n        return vma;\r\n}\r\n<\/pre>\n
2.\u83b7\u53d6\u4e00\u4e2a\u7a7a\u95f2\u7684\u5185\u5b58\u533a\u57df<\/h3>\n
\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u5c06\u5df2\u4f7f\u7528\u7684\u5185\u5b58\u533a\u57df\u901a\u8fc7\u53cc\u8054\u8868\u94fe\u63a5\u5728\u4e00\u8d77\uff0c\u8be5\u94fe\u8868\u7684\u5934\u6307\u9488\u4e3ammap\u3002\u5982\u679c\u8fdb\u7a0b\u8981\u7533\u8bf7\u4e00\u4e2a\u65b0\u7684\u5185\u5b58\u533a\u57df\uff0c\u5219\u5fc5\u987b\u5148\u67e5\u627e\u4e00\u4e2a\u7a7a\u95f2\u7684\u5185\u5b58\u533a\u95f4\uff0c\u6b64\u65f6\u5c31\u4f1a\u7528\u5230get_unmapped_area()\u51fd\u6570\u3002\u8be5\u51fd\u6570\u5b9e\u73b0\u7684\u601d\u60f3\u5f88\u7b80\u5355\uff0c\u901a\u8fc7\u904d\u5386\u5185\u5b58\u533a\u57df\u53cc\u8054\u8868\u67e5\u627e\u4e00\u4e2a\u7b26\u5408\u6307\u5b9a\u5927\u5c0f\u7684\u7a7a\u95f2\u533a\u95f4\uff0c\u5982\u679c\u6307\u5b9a\u4e86\u8d77\u59cb\u5730\u5740\uff0c\u5219\u4ece\u8be5\u8d77\u59cb\u5730\u5740\u5f00\u59cb\u67e5\u627e\u3002<\/p>\n
\u8be5\u51fd\u6570\u9996\u5148\u8981\u68c0\u67e5len\u7684\u5408\u6cd5\u6027\uff0c\u5982\u679c\u5b83\u8d85\u8fc7\u4e86TASK_SIZE\u7684\u5927\u5c0f\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u5185\u5b58\u4e0d\u8db3\u7684\u9519\u8bef\u4fe1\u606f\u3002\u5982\u679cflags\u8bbe\u7f6e\u4e86MAP_FIXED\u6807\u5fd7\uff0c\u5219\u8868\u793a\u4ee5\u56fa\u5b9a\u7684\u5730\u5740\u5f00\u59cb\u521b\u5efa\u7ebf\u6027\u533a\uff0c\u56e0\u6b64\u7acb\u5373\u8fd4\u56de\u8be5\u7ebf\u6027\u5730\u5740\u3002<\/p>\n
\u4e0a\u8ff0\u4e24\u79cd\u60c5\u51b5\u90fd\u4e0d\u6ee1\u8db3\u65f6\uff0c\u8be5\u51fd\u6570\u5bf9addr\u518d\u505a\u8fdb\u4e00\u6b65\u5224\u65ad\u3002\u5b83\u5148\u5c06addr\u8c03\u6574\u6210\u9875\u5927\u5c0f\u7684\u500d\u6570\uff0c\u518d\u901a\u8fc7addr\u67e5\u627e\u4e34\u8fd1\u7684\u5185\u5b58\u533avma\u3002\u5982\u679caddr\u662f\u7a7a\u95f2\u533a\u9996\u5730\u5740\u5e76\u4e14\u8fd4\u56de\u7ed9\u8c03\u7528\u51fd\u6570\uff0c\u90a3\u4e48\u5b83\u9996\u5148\u5fc5\u987b\u6ee1\u8db3addr+len\u4e0d\u4f1a\u8d85\u8fc7\u8fdb\u7a0b\u7528\u6237\u7a7a\u95f4\u7684\u4e0a\u9650TASK_SIZE\uff08\u5176\u503c\u4e3a3GB\uff09\u3002\u5728\u6b64\u6761\u4ef6\u6210\u7acb\u7684\u57fa\u7840\u4e0a\u6709\u4e24\u79cd\u60c5\u51b5\uff0c\u7b2c\u4e00\uff0c\u5982\u679c\u901a\u8fc7addr\u67e5\u627e\u4e34\u8fd1\u7684vma\u4e3a\u7a7a\uff0c\u5219\u67e5\u627e\u6210\u529f\u3002\u4e5f\u5c31\u662f\u8bf4addr\u4e4b\u540e\u5e76\u4e0d\u5b58\u5728\u4efb\u4f55\u7684\u5185\u5b58\u533a\u57df\uff0c\u5219addr\u5230addr+len\u4e4b\u95f4\u7684\u5730\u5740\u7a7a\u95f4\u90fd\u662f\u7a7a\u95f2\u53ef\u7528\u7684\u3002\u7b2c\u4e8c\uff0c\u5f53addr+len\u5e76\u6ca1\u6709\u8d85\u8fc7vma\u7684\u8d77\u59cb\u5730\u5740\u65f6\uff0c\u4e5f\u662f\u6307\u5b9a\u8d77\u59cb\u5730\u5740\u67e5\u627e\u6210\u529f\u7684\u4e00\u79cd\u60c5\u51b5\u3002\u8fd9\u79cd\u60c5\u51b5\u8868\u793a\u6240\u67e5\u627e\u5230\u7684\u5185\u5b58\u533a\u95f4\u4f4d\u4e8evma\u4e4b\u524d\u7684\u7a7a\u6d1e\u4e2d\u3002<\/p>\n
unsigned long\r\narch_get_unmapped_area(struct file *filp, unsigned long addr,\r\n                unsigned long len, unsigned long pgoff, unsigned long flags)\r\n{\r\n        struct mm_struct *mm = current->mm;\r\n        struct vm_area_struct *vma;\r\n        unsigned long start_addr;\r\n\r\n        if (len > TASK_SIZE)\r\n                return -ENOMEM;\r\n\r\n        if (flags & MAP_FIXED)\r\n                return addr;\r\n\r\n        if (addr) {\r\n                addr = PAGE_ALIGN(addr);\r\n                vma = find_vma(mm, addr);\r\n                if (TASK_SIZE - len >= addr &&\r\n                    (!vma || addr + len <= vm_start))\r\n                        return addr;\r\n        }<\/pre>\n
\u4e0a\u8ff0\u4e24\u79cd\u60c5\u51b5\u7684\u5b9e\u4f8b\u56fe\u5982\u4e0b\uff1a<\/p>\n
\"\"<\/a><\/p>\n
\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u8d77\u59cb\u5730\u5740\uff0c\u5219\u63a5\u4e0b\u6765\u901a\u8fc7\u94fe\u8868\u67e5\u627e\u7a7a\u95f2\u533a\u95f4\u3002\u867d\u7136\u6211\u4eec\u4e0a\u9762\u8bf4\u8fc7\u901a\u8fc7\u904d\u5386\u5185\u5b58\u533a\u57df\u53cc\u8054\u8868\u53ef\u4ee5\u67e5\u627e\u4e00\u4e2a\u6307\u5b9a\u5927\u5c0f\u7684\u7a7a\u95f2\u533a\u95f4\uff0c\u4f46\u5b9e\u9645\u7684\u64cd\u4f5c\u5e76\u4e0d\u662f\u6bcf\u6b21\u90fd\u4ece\u5934\u904d\u5386\u5230\u5c3e\uff0c\u8be5\u51fd\u6570\u91c7\u7528\u7f13\u5b58\u673a\u5236\u8282\u7ea6\u641c\u7d22\u65f6\u95f4\u3002\u8fd9\u91cc\u9996\u5148\u8981\u4ecb\u7ecd\u4e00\u4e0b\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u4e2d\u7684\u7a7a\u6d1e\uff0cmmap\u94fe\u8868\u4e2d\u76f8\u90bb\u4e24\u4e2a\u5185\u5b58\u533a\u4e4b\u95f4\u7684\u7a7a\u95f2\u533a\u57df\u5c31\u5f62\u6210\u4e00\u4e2a\u7a7a\u6d1e\u3002free_area_cache\u548ccached_hole_size\u90fd\u662f\u5185\u5b58\u63cf\u8ff0\u7b26\u4e2d\u7684\u5b57\u6bb5\uff0c\u5b83\u4eec\u5171\u540c\u63cf\u8ff0\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u4e2d\u7684\u4e00\u4e2a\u7a7a\u6d1e\uff0c\u8be5\u7a7a\u6d1e\u6bd4\u8f83\u7279\u6b8a\uff0c\u5b83\u4f4d\u4e8e\u6700\u8fd1\u521a\u5206\u914d\u7684\u5185\u5b58\u533a\u4e4b\u540e\uff0c\u4ee5free_area_cache\u4e3a\u8d77\u59cb\u5730\u5740\uff0c\u4ee5cached_hole_size\u4e3a\u957f\u5ea6\u3002<\/p>\n
\u5982\u679clen\u5927\u4e8e\u5f53\u524d\u7a7a\u6d1e\u5927\u5c0f\uff0c\u4e5f\u5c31\u662f\u8bf4free_area_cache\u6240\u7f13\u5b58\u7684\u7a7a\u6d1e\u592a\u5c0f\uff0c\u90a3\u4e48\u5c31\u4ece\u5f53\u524d\u8fd9\u4e2a\u7a7a\u6d1e\u5f00\u59cb\u7ee7\u7eed\u67e5\u627e\u66f4\u5927\u8303\u56f4\u7684\u7a7a\u6d1e\uff1b\u53cd\u4e4b\uff0c\u5f53len\u5927\u4e8e\u5f53\u524d\u7a7a\u6d1e\u5927\u5c0f\u65f6\uff0c\u5e76\u4e0d\u662f\u7acb\u523b\u5c31\u4ece\u6b64\u7a7a\u6d1e\u4e2d\u5206\u914d\u6240\u9700\u5927\u5c0f\u7684\u7a7a\u95f2\u533a\uff0c\u800c\u662f\u4eceTASK_UNMAPPED_BASE\u5f00\u59cb\u91cd\u65b0\u67e5\u627e\u3002\u8fd9\u79cd\u673a\u5236\u662f\u4e3a\u4e86\u9632\u6b62\u4ea7\u751f\u8d8a\u6765\u8d8a\u591a\u66f4\u5c0f\u8303\u56f4\u7684\u7a7a\u6d1e\uff0c\u8fd9\u79cd\u5c0f\u7a7a\u6d1e\u5f88\u96be\u88ab\u518d\u6b21\u5229\u7528\u3002<\/p>\n
        if (len > mm->cached_hole_size) {\r\n                start_addr = addr = mm->free_area_cache;\r\n        } else {\r\n                start_addr = addr = TASK_UNMAPPED_BASE;\r\n                mm->cached_hole_size = 0;\r\n        }<\/pre>\n
\u4e0b\u9762\u5f00\u59cb\u8fdb\u884c\u5b8c\u5168\u641c\u7d22\uff0c\u5982\u679caddr+len\u5df2\u7ecf\u8d85\u51fa\u8fdb\u7a0b\u7528\u6237\u7a7a\u95f4\u7684\u4e0a\u9650\u5e76\u4e14\u6b64\u6b21\u641c\u7d22\u5e76\u4e0d\u662f\u4eceTASK_UNMAPPED_BASE\u5f00\u59cb\u7684\uff0c\u90a3\u4e48\u4eceTASK_UNMAPPED_BASE\u5904\u91cd\u65b0\u8fdb\u884c\u65b0\u4e00\u8f6e\u7684\u641c\u7d22\uff0c\u5e76\u4e14\u76f8\u5e94\u7684\u66f4\u65b0start_addr\u548ccached_hole_size\u7684\u503c\u3002\u5982\u679c\u6b64\u6b21\u641c\u7d22\u7684\u786e\u662f\u4eceTASK_UNMAPPED_BASE\u5f00\u59cb\u7684\uff0c\u90a3\u4e48\u8bf4\u660e\u641c\u7d22\u5931\u8d25\uff0c\u6ca1\u6709\u6307\u5b9a\u5927\u5c0f\u7684\u7a7a\u95f2\u533a\u95f4\u3002<\/p>\n
full_search:\r\n        for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {\r\n                if (TASK_SIZE - len < addr) {\r\n                        if (start_addr != TASK_UNMAPPED_BASE) {\r\n                                addr = TASK_UNMAPPED_BASE;\r\n                                start_addr = addr;\r\n                                mm->cached_hole_size = 0;\r\n                                goto full_search;\r\n                        }\r\n                        return -ENOMEM;\r\n                }<\/pre>\n
\u5982\u679caddr+len\u5728\u8fdb\u7a0b\u7684\u7528\u6237\u7a7a\u95f4\u8303\u56f4\u5185\uff0c\u90a3\u4e48\u6709\u4e24\u79cd\u60c5\u51b5\u662f\u53ef\u4ee5\u6210\u529f\u641c\u7d22\u5230\u7a7a\u95f2\u533a\u95f4\u7684\u3002\u7b2c\u4e00\uff0c\u5f53vma\u4e3a\u7a7a\u65f6\uff0c\u5219\u641c\u7d22\u6210\u529f\uff1b\u7b2c\u4e8c\uff0cvma\u4e4b\u524d\u7684\u7a7a\u6d1e\u53ef\u4ee5\u6ee1\u8db3len\u5927\u5c0f\uff0c\u5219\u641c\u7d22\u6210\u529f\u3002\u4e0d\u7ba1\u90a3\u79cd\u60c5\u51b5\uff0c\u6b64\u65f6\u90fd\u8981\u66f4\u65b0free_area_cache\u4ee5\u4fbf\u540e\u7eed\u67e5\u627e\u64cd\u4f5c\u7684\u4f7f\u7528\uff0c\u5373\u4e0b\u4e00\u6b21\u7684\u67e5\u627e\u5c31\u662f\u4eceaddr+len\u4e4b\u540e\u7684\u7a7a\u6d1e\u5f00\u59cb\u3002\u6700\u540e\u8fd4\u56de\u7a7a\u95f2\u533a\u7684\u8d77\u59cb\u5730\u5740addr\u3002<\/p>\n
                if (!vma || addr + len vm_start) {\r\n                        mm->free_area_cache = addr + len;\r\n                        return addr;\r\n                }<\/pre>\n
\u4e0a\u8ff0\u60c5\u51b5\u4e0d\u6ee1\u8db3\u65f6\uff0c\u4e5f\u5c31\u662f\u5f53\u524dvma\u524d\u7684\u7a7a\u6d1e\u592a\u5c0f\u65f6\uff0c\u5c31\u4ece\u5f53\u524dvma\u7684\u7ec8\u6b62\u5730\u5740\u5f00\u59cb\u7ee7\u7eed\u67e5\u627e\u3002\u4e0d\u9519\u5728\u8fd9\u4e4b\u524d\uff0c\u8fd8\u8981\u66f4\u65b0cached_hole_size\u3002<\/p>\n
                if (addr + mm->cached_hole_size < vma->vm_start)\r\n                        mm->cached_hole_size = vma->vm_start - addr;\r\n                addr = vma->vm_end;\r\n        }\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u62e5\u6709\u4e00\u6bb5\u8fde\u7eed\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\uff0c\u5185\u6838\u5b9e\u9645\u7684\u4f7f\u7528\u60c5\u51b5\u5e76\u4e0d\u662f\u4ee5\u6574\u4e2a\u5730\u5740\u7a7a\u95f4\u4e3a\u5355\u4f4d\uff0c\u800c\u662f\u5c06\u6574\u4e2a\u8fde\u7eed\u7684\u7a7a\u95f4\u5212\u5206\u4e3a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[266],"tags":[],"class_list":["post-3564","post","type-post","status-publish","format-standard","hentry","category-266"],"views":8719,"_links":{"self":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/3564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/comments?post=3564"}],"version-history":[{"count":0,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/3564\/revisions"}],"wp:attachment":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/media?parent=3564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/categories?post=3564"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/tags?post=3564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}