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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-10-18 11:13:01 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-10-18 11:13:01 -0300
commitce6c9da1113ad681bff27a3e376d2017f7f8a59c (patch)
tree922ee99522f8e47e4fa5c735d4ea378dfdb79085 /mm/huge_memory.c
parentd4ae552982de39417d17f823df1f06b1cbc3686c (diff)
parent20e8e72d0fa8e26202932c30d592bade73fdc701 (diff)
Merge remote-tracking branch 'tip/perf/urgent' into perf/core
To pick up fixes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 533f9b00147d2..58269f8ba7c4b 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2885,9 +2885,6 @@ void set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw,
if (!(pvmw->pmd && !pvmw->pte))
return;
- mmu_notifier_invalidate_range_start(mm, address,
- address + HPAGE_PMD_SIZE);
-
flush_cache_range(vma, address, address + HPAGE_PMD_SIZE);
pmdval = *pvmw->pmd;
pmdp_invalidate(vma, address, pvmw->pmd);
@@ -2900,9 +2897,6 @@ void set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw,
set_pmd_at(mm, address, pvmw->pmd, pmdswp);
page_remove_rmap(page, true);
put_page(page);
-
- mmu_notifier_invalidate_range_end(mm, address,
- address + HPAGE_PMD_SIZE);
}
void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
@@ -2931,7 +2925,7 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
else
page_add_file_rmap(new, true);
set_pmd_at(mm, mmun_start, pvmw->pmd, pmde);
- if (vma->vm_flags & VM_LOCKED)
+ if ((vma->vm_flags & VM_LOCKED) && !PageDoubleMap(new))
mlock_vma_page(new);
update_mmu_cache_pmd(vma, address, pvmw->pmd);
}