Documentation/mm: drop pxx_mkdevmap() descriptions from page table helpers

Remove pxx_mkdevmap() descriptions, as these helper functions have already
been dropped (including DEBUG_VM_PGTABLE test) via the commit d438d27
("mm: remove devmap related functions and page table bits").

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Anshuman Khandual <[email protected]>
Acked-by: David Hildenbrand <[email protected]>
Reviewed-by: Dev Jain <[email protected]>
Cc: Lorenzo Stoakes <[email protected]>
Cc: Alistair Popple <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Anshuman Khandual

Documentation/mm/arch_pgtable_helpers.rst

@@ -52,8 +52,6 @@ PTE Page Table Helpers
 +---------------------------+--------------------------------------------------+
 | pte_mkspecial             | Creates a special PTE                            |
 +---------------------------+--------------------------------------------------+
-| pte_mkdevmap              | Creates a ZONE_DEVICE mapped PTE                 |
-+---------------------------+--------------------------------------------------+
 | pte_mksoft_dirty          | Creates a soft dirty PTE                         |
 +---------------------------+--------------------------------------------------+
 | pte_clear_soft_dirty      | Clears a soft dirty PTE                          |
@@ -124,8 +122,6 @@ PMD Page Table Helpers
 +---------------------------+--------------------------------------------------+
 | pmd_mkspecial             | Creates a special PMD                            |
 +---------------------------+--------------------------------------------------+
-| pmd_mkdevmap              | Creates a ZONE_DEVICE mapped PMD                 |
-+---------------------------+--------------------------------------------------+
 | pmd_mksoft_dirty          | Creates a soft dirty PMD                         |
 +---------------------------+--------------------------------------------------+
 | pmd_clear_soft_dirty      | Clears a soft dirty PMD                          |
@@ -185,8 +181,6 @@ PUD Page Table Helpers
 +---------------------------+--------------------------------------------------+
 | pud_wrprotect             | Creates a write protected PUD                    |
 +---------------------------+--------------------------------------------------+
-| pud_mkdevmap              | Creates a ZONE_DEVICE mapped PUD                 |
-+---------------------------+--------------------------------------------------+
 | pud_mkinvalid             | Invalidates a present PUD; do not call for       |
 |                           | non-present PUD [1]                              |
 +---------------------------+--------------------------------------------------+