mmun_start indicates mmu_notifier start address but there's no mmu_notifier
stuff in remove_migration_pmd. This will make it hard to get the meaning of
mmun_start. Rename it to haddr to avoid confusing readers and also imporve
readability.
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
---
mm/huge_memory.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index f9b6eb3f2215..f2856cfac900 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3284,7 +3284,7 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
struct vm_area_struct *vma = pvmw->vma;
struct mm_struct *mm = vma->vm_mm;
unsigned long address = pvmw->address;
- unsigned long mmun_start = address & HPAGE_PMD_MASK;
+ unsigned long haddr = address & HPAGE_PMD_MASK;
pmd_t pmde;
swp_entry_t entry;
@@ -3307,12 +3307,12 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
if (!is_readable_migration_entry(entry))
rmap_flags |= RMAP_EXCLUSIVE;
- page_add_anon_rmap(new, vma, mmun_start, rmap_flags);
+ page_add_anon_rmap(new, vma, haddr, rmap_flags);
} else {
page_add_file_rmap(new, vma, true);
}
VM_BUG_ON(pmd_write(pmde) && PageAnon(new) && !PageAnonExclusive(new));
- set_pmd_at(mm, mmun_start, pvmw->pmd, pmde);
+ set_pmd_at(mm, haddr, pvmw->pmd, pmde);
/* No need to invalidate - it was non-present before */
update_mmu_cache_pmd(vma, address, pvmw->pmd);
--
2.23.0
