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linux/mm/migrate.c
Kefeng Wang fa1df3f628 mm: migrate: remove isolated variable in add_page_for_migration() 
Directly check the return of isolate_hugetlb() and folio_isolate_lru() to
remove isolated variable, also setup err = -EBUSY in advance before
isolation, and update err only when successfully queued for migration,
which could help us to unify and simplify code a bit.

Link: https://lkml.kernel.org/r/20230913095131.2426871-9-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-10-04 10:32:28 -07:00

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