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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-12 07:41:14 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-12 07:41:14 +0200 |
| commit | b2a878de11251b06be144b5905e37dd0dc0b0104 (patch) | |
| tree | f510ac1263ebd939493c3358408325804f7ba6e2 /mm/migrate.c | |
| parent | staging: rtl8712: r8712_xmit_classifier(): Change return values and type (diff) | |
| parent | Linux 5.3-rc4 (diff) | |
| download | linux-dev-b2a878de11251b06be144b5905e37dd0dc0b0104.tar.xz linux-dev-b2a878de11251b06be144b5905e37dd0dc0b0104.zip | |
Merge 5.3-rc4 into staging-next
We need the iio/staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/migrate.c')
| -rw-r--r-- | mm/migrate.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index 8992741f10aa..a42858d8e00b 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -767,12 +767,12 @@ recheck_buffers: } bh = bh->b_this_page; } while (bh != head); - spin_unlock(&mapping->private_lock); if (busy) { if (invalidated) { rc = -EAGAIN; goto unlock_buffers; } + spin_unlock(&mapping->private_lock); invalidate_bh_lrus(); invalidated = true; goto recheck_buffers; @@ -805,6 +805,8 @@ recheck_buffers: rc = MIGRATEPAGE_SUCCESS; unlock_buffers: + if (check_refs) + spin_unlock(&mapping->private_lock); bh = head; do { unlock_buffer(bh); @@ -2338,16 +2340,13 @@ next: static void migrate_vma_collect(struct migrate_vma *migrate) { struct mmu_notifier_range range; - struct mm_walk mm_walk; - - mm_walk.pmd_entry = migrate_vma_collect_pmd; - mm_walk.pte_entry = NULL; - mm_walk.pte_hole = migrate_vma_collect_hole; - mm_walk.hugetlb_entry = NULL; - mm_walk.test_walk = NULL; - mm_walk.vma = migrate->vma; - mm_walk.mm = migrate->vma->vm_mm; - mm_walk.private = migrate; + struct mm_walk mm_walk = { + .pmd_entry = migrate_vma_collect_pmd, + .pte_hole = migrate_vma_collect_hole, + .vma = migrate->vma, + .mm = migrate->vma->vm_mm, + .private = migrate, + }; mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, NULL, mm_walk.mm, migrate->start, |