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mm: migrate: remove folio_migrate_copy()

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The folio_migrate_copy() is just a wrapper of folio_copy() and
folio_migrate_flags(), it is simple and only aio use it for now, unfold it
and remove folio_migrate_copy().

Link: https://lkml.kernel.org/r/20240626085328.608006-7-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jérôme Glisse <jglisse@redhat.com>
Cc: Jiaqi Yan <jiaqiyan@google.com>
Cc: Lance Yang <ioworker0@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang 2024-06-26 16:53:28 +08:00 committed by Andrew Morton
parent f00b295b9b
commit 3f59493713
3 changed files with 2 additions and 9 deletions
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3
fs/aio.c
View File

@ -455,7 +455,8 @@ static int aio_migrate_folio(struct address_space *mapping, struct folio *dst,
* events from being lost.
*/
spin_lock_irqsave(&ctx->completion_lock, flags);
folio_migrate_copy(dst, src);
folio_copy(dst, src);
folio_migrate_flags(dst, src);
BUG_ON(ctx->ring_folios[idx] != src);
ctx->ring_folios[idx] = dst;
spin_unlock_irqrestore(&ctx->completion_lock, flags);

1
include/linux/migrate.h
View File

@ -76,7 +76,6 @@ int migrate_huge_page_move_mapping(struct address_space *mapping,
void migration_entry_wait_on_locked(swp_entry_t entry, spinlock_t *ptl)
__releases(ptl);
void folio_migrate_flags(struct folio *newfolio, struct folio *folio);
void folio_migrate_copy(struct folio *newfolio, struct folio *folio);
int folio_migrate_mapping(struct address_space *mapping,
struct folio *newfolio, struct folio *folio, int extra_count);

7
mm/migrate.c
View File

@ -672,13 +672,6 @@ void folio_migrate_flags(struct folio *newfolio, struct folio *folio)
}
EXPORT_SYMBOL(folio_migrate_flags);
void folio_migrate_copy(struct folio *newfolio, struct folio *folio)
{
folio_copy(newfolio, folio);
folio_migrate_flags(newfolio, folio);
}
EXPORT_SYMBOL(folio_migrate_copy);
/************************************************************
* Migration functions
***********************************************************/