[to-be-updated] mm-use-a-folio-in-the-softleaf_is_device_private-path.patch removed from -mm tree
Andrew Morton <[email protected]>
| Newsgroups | org.kernel.vger.mm-commits |
|---|---|
| Message-ID | <[email protected]> |
The quilt patch titled
Subject: mm: use a folio in the softleaf_is_device_private path
has been removed from the -mm tree. Its filename was
mm-use-a-folio-in-the-softleaf_is_device_private-path.patch
This patch was dropped because an updated version will be issued
------------------------------------------------------
From: Hongfu Li <[email protected]>
Subject: mm: use a folio in the softleaf_is_device_private path
Date: Mon, 3 Aug 2026 11:15:54 +0800
Use the folio APIs in the device_private migration path of do_swap_page(),
replacing four calls to compound_head() with one.
Link: https://lore.kernel.org/[email protected]
Signed-off-by: Hongfu Li <[email protected]>
Acked-by: David Hildenbrand (Arm) <[email protected]>
Reviewed-by: Lorenzo Stoakes (ARM) <[email protected]>
Reviewed-by: Anshumman Khandual <[email protected]>
Cc: Hongfu Li <[email protected]>
Cc: Liam R. Howlett <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Mike Rapoport <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
mm/memory.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
--- a/mm/memory.c~mm-use-a-folio-in-the-softleaf_is_device_private-path
+++ a/mm/memory.c
@@ -4926,18 +4926,19 @@ vm_fault_t do_swap_page(struct vm_fault
goto unlock;
/*
- * Get a page reference while we know the page can't be
+ * Get a folio reference while we know the folio can't be
* freed.
*/
- if (trylock_page(vmf->page)) {
+ folio = page_folio(vmf->page);
+ if (folio_trylock(folio)) {
struct dev_pagemap *pgmap;
- get_page(vmf->page);
+ folio_get(folio);
pte_unmap_unlock(vmf->pte, vmf->ptl);
pgmap = page_pgmap(vmf->page);
ret = pgmap->ops->migrate_to_ram(vmf);
- unlock_page(vmf->page);
- put_page(vmf->page);
+ folio_unlock(folio);
+ folio_put(folio);
} else {
pte_unmap(vmf->pte);
softleaf_entry_wait_on_locked(entry, vmf->ptl);
_
Patches currently in -mm which might be from [email protected] are
ksm-update-comments-and-docs-to-reference-folio-mapping.patch
selftests-mm-drop-duplicate-test_seal_mprotect_two_vma_with_gap-call.patch
selftests-mm-fix-read_file-return-value-check.patch
mm-swap-fix-swap_cluster_lock-config_swap-stub-signature-mismatch.patch
mm-cma-remove-stray-newline-from-auto-generated-cma-area-name.patch