Re: [RFC 1/3] mm: ptep_clear() page table helper
From: Pasha Tatashin <pasha.tatashin@soleen.com>
Date: 2021-11-17 16:44:41
Also in:
linux-mm, lkml
On Wed, Nov 17, 2021 at 3:52 AM Anshuman Khandual [off-list ref] wrote:
On 11/17/21 3:30 AM, Pasha Tatashin wrote:quoted
diff --git a/Documentation/vm/arch_pgtable_helpers.rst b/Documentation/vm/arch_pgtable_helpers.rst index 552567d863b8..fbe06ec75370 100644 --- a/Documentation/vm/arch_pgtable_helpers.rst +++ b/Documentation/vm/arch_pgtable_helpers.rst@@ -66,9 +66,11 @@ PTE Page Table Helpers +---------------------------+--------------------------------------------------+ | pte_mknotpresent | Invalidates a mapped PTE | +---------------------------+--------------------------------------------------+ -| ptep_get_and_clear | Clears a PTE | +| ptep_clear | Clears a PTE | +---------------------------+--------------------------------------------------+ -| ptep_get_and_clear_full | Clears a PTE | +| ptep_get_and_clear | Clears and returns PTE | ++---------------------------+--------------------------------------------------+ +| ptep_get_and_clear_full | Clears and returns PTE (batched PTE unmap) | +---------------------------+--------------------------------------------------+ | ptep_test_and_clear_young | Clears young from a PTE | +---------------------------+--------------------------------------------------+Just curious. This does not have a corresponding change in mm/debug_vm_pgtable.c ?
You are right, I need to replace it in mm/debug_vm_pgtable.c as well. I will do it in the next version. Thanks, Pasha