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authorMiaohe Lin <linmiaohe@huawei.com>2022-07-04 21:21:51 +0800
committerakpm <akpm@linux-foundation.org>2022-07-17 17:14:45 -0700
commit4fba8f2a306038da617cd29503a1841b7b44ee23 (patch)
tree1efcb53733fd2c2c1f28b7df65be9295b0f5ae17 /mm/huge_memory.c
parenta69e4717c62508ad5335e9bd56b1b6984a6b2b98 (diff)
downloadlinux-4fba8f2a306038da617cd29503a1841b7b44ee23.tar.bz2
mm/huge_memory: rename mmun_start to haddr in remove_migration_pmd
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. Link: https://lkml.kernel.org/r/20220704132201.14611-7-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Yang Shi <shy828301@gmail.com> Cc: Zach O'Keefe <zokeefe@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index ebf2a71931c1..5816ef8241af 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3180,7 +3180,7 @@ 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;
@@ -3203,12 +3203,12 @@ 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);