node.js 内核提供如下函数用于分配页: alloc_pages(gfp_mask, order) //用于分配一个order阶数的页 alloc_page(gfp_mask) //用于分配一页,最终调用的是alloc_pages(gfp_mask, 0) 那我们就分析alloc_pages的具体实现 static inline struct page *alloc_pages_node(int
wq --- 等待队列头:第一个抢先执行的task会将dentry加入到in_lookup hash 表(加入 in_lookup hash表前将dentry关联到此等待队列);dentry脱离in_lookup hash 表时,需要唤醒该等待队列上等待的tasks; 等待dentry脱离in_lookup hash表的tasks,需要加入到该等待队列上,等待被唤醒 。 structdentry*d_alloc_parallel(s...
1243 struct task_struct p = current; //将p设置成指向当前进程1244 int do_retry; //1245 int alloc_flags; //分配标志1246 int did_some_progress;12471248 might_sleep_if(wait); //对可能睡眠的函数进行注释12491250 if (should_fail_alloc_page(gfp_mask, order)) /检查内存分配是否可行,如果不可行...
int numa_num_task_cpus(); int numa_num_task_nodes(); int numa_parse_bitmap(char *line, struct bitmask *mask); struct bitmask *numa_parse_nodestring(const char *string); struct bitmask *numa_parse_nodestring_all(const char *string); ...
GET_TILING_DATA_WITH_STRUCT TILING_KEY_IS 高阶API Matmul Matmul 使用说明 Matmul模板参数 MatmulConfig Init SetTensorA SetTensorB Iterate GetTensorC IterateAll End Matmul Tiling 使用说明 构造函数 TCubeTiling结构体 量化反量化 Host API 原型注册与管理 原型注册接口(OP...
struct node长next node, * list void mergelist(list ha., list hb) list he (list)ralloc(sizeof(node)); list p hc; while( ha > next & hb->next) if( ha->next"> hb- > next){ p- next hb- next hb hb- >next: els next...
/// `node` -> `parent` parent_ids:IndexVec<NodeId,Option<NodeId>>, } oxc/crates/oxc_semantic/src/node.rs Lines 12 to 15 inab694b0 pubstructAstNode<'a>{ id:NodeId, /// A pointer to the ast node, which resides in the `bumpalo` memory arena. ...
static struct page * alloc_pages_pgdat(pg_data_t *pgdat, int gfp_mask, unsigned long order) { return __alloc_pages(pgdat->node_zonelists + gfp_mask, order); } 1) gfp_mask就是在一个node中的分配策略数组的下标 pgdat->node_zonelists + gfp_mask...
{constgfp_t wait = gfp_mask &__GFP_WAIT;structzone **z;structpage *page;structreclaim_state reclaim_state;structtask_struct *p =current;intdo_retry;intalloc_flags;intdid_some_progress; might_sleep_if(wait); restart: z= zonelist->zones;/*适合于gfp_mask的内存域列表*/if(unlikely(*z =...
93 * should do concentratic circle search, starting from current node. 94 *///分配策略, 所需物理块的大小,2的order次方95structpage *alloc_pages(intgfp_mask,unsignedlongorder)96{97structpage *ret =0;98pg_data_t*start, *temp;99#ifndefCONFIG_NUMA100unsignedlongflags;101staticpg_data_t*next...