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| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-07-04 21:21:51 +0800 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-07-17 17:14:45 -0700 |
| commit | 4fba8f2a306038da617cd29503a1841b7b44ee23 (patch) | |
| tree | 1efcb53733fd2c2c1f28b7df65be9295b0f5ae17 /mm/huge_memory.c | |
| parent | a69e4717c62508ad5335e9bd56b1b6984a6b2b98 (diff) | |
| download | linux-4fba8f2a306038da617cd29503a1841b7b44ee23.tar.gz linux-4fba8f2a306038da617cd29503a1841b7b44ee23.tar.bz2 linux-4fba8f2a306038da617cd29503a1841b7b44ee23.zip | |
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.c | 6 |
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); |