The patch titled
Subject: mm: migrate_device: use a newfolio in __migrate_device_pages()
has been added to the -mm mm-unstable branch. Its filename is
mm-migrate_device-use-a-newfolio-in-__migrate_device_pages.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-migrate_device-use-a-newfolio-in-__migrate_device_pages.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: mm: migrate_device: use a newfolio in __migrate_device_pages()
Date: Fri, 24 May 2024 13:28:40 +0800
Use a newfolio instead of newpage and convert to more folio api in
__migrate_device_pages().
Link: https://lkml.kernel.org/r/20240524052843.182275-3-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Reviewed-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Alistair Popple <apopple@xxxxxxxxxx>
Cc: Benjamin LaHaise <bcrl@xxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Jérôme Glisse <jglisse@xxxxxxxxxx>
Cc: Jiaqi Yan <jiaqiyan@xxxxxxxxxx>
Cc: Muchun Song <muchun.song@xxxxxxxxx>
Cc: Naoya Horiguchi <nao.horiguchi@xxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Zi Yan <ziy@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/migrate_device.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
--- a/mm/migrate_device.c~mm-migrate_device-use-a-newfolio-in-__migrate_device_pages
+++ a/mm/migrate_device.c
@@ -692,7 +692,7 @@ static void __migrate_device_pages(unsig
struct page *newpage = migrate_pfn_to_page(dst_pfns[i]);
struct page *page = migrate_pfn_to_page(src_pfns[i]);
struct address_space *mapping;
- struct folio *folio;
+ struct folio *newfolio, *folio;
int r;
if (!newpage) {
@@ -727,11 +727,12 @@ static void __migrate_device_pages(unsig
continue;
}
+ newfolio = page_folio(newpage);
folio = page_folio(page);
mapping = folio_mapping(folio);
- if (is_device_private_page(newpage) ||
- is_device_coherent_page(newpage)) {
+ if (folio_is_device_private(newfolio) ||
+ folio_is_device_coherent(newfolio)) {
if (mapping) {
/*
* For now only support anonymous memory migrating to
@@ -745,7 +746,7 @@ static void __migrate_device_pages(unsig
continue;
}
}
- } else if (is_zone_device_page(newpage)) {
+ } else if (folio_is_zone_device(newfolio)) {
/*
* Other types of ZONE_DEVICE page are not supported.
*/
@@ -754,11 +755,11 @@ static void __migrate_device_pages(unsig
}
if (migrate && migrate->fault_page == page)
- r = migrate_folio_extra(mapping, page_folio(newpage),
- folio, MIGRATE_SYNC_NO_COPY, 1);
+ r = migrate_folio_extra(mapping, newfolio, folio,
+ MIGRATE_SYNC_NO_COPY, 1);
else
- r = migrate_folio(mapping, page_folio(newpage),
- folio, MIGRATE_SYNC_NO_COPY);
+ r = migrate_folio(mapping, newfolio, folio,
+ MIGRATE_SYNC_NO_COPY);
if (r != MIGRATEPAGE_SUCCESS)
src_pfns[i] &= ~MIGRATE_PFN_MIGRATE;
}
_
Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are
mm-add-folio_alloc_mpol.patch
mm-mempolicy-use-folio_alloc_mpol_noprof-in-vma_alloc_folio_noprof.patch
mm-mempolicy-use-folio_alloc_mpol-in-alloc_migration_target_by_mpol.patch
mm-shmem-use-folio_alloc_mpol-in-shmem_alloc_folio.patch
mm-refactor-folio_undo_large_rmappable.patch
mm-memcontrol-remove-page_memcg.patch
rmap-remove-define_page_vma_walk.patch
mm-migrate-simplify-__buffer_migrate_folio.patch
mm-migrate_device-use-a-newfolio-in-__migrate_device_pages.patch
mm-migrate_device-unify-migrate-folio-for-migrate_sync_no_copy.patch
mm-migrate-remove-migrate_folio_extra.patch
mm-remove-migrate_sync_no_copy-mode.patch
