Documentation/mm/split_page_table_lock.rst

11 access to the table. At the moment we use split lock for PTE and PMD
17 	maps PTE and takes PTE table lock, returns pointer to PTE with
18 	pointer to its PTE table lock, or returns NULL if no PTE table;
20 	maps PTE, returns pointer to PTE with pointer to its PTE table
21 	lock (not taken), or returns NULL if no PTE table;
23 	maps PTE, returns pointer to PTE, or returns NULL if no PTE table;
25 	unmaps PTE table;
27 	unlocks and unmaps PTE table;
29 	allocates PTE table if needed and takes its lock, returns pointer to
30 	PTE with pointer to its lock, or returns NULL if allocation failed;
36 Split page table lock for PTE tables is enabled compile-time if
40 Split page table lock for PMD tables is enabled, if it's enabled for PTE
60 There's no need in special enabling of PTE split page table lock: everything
62 must be called on PTE table allocation / freeing.
100 The spinlock_t allocated in pagetable_pte_ctor() for PTE table and in