On Tue, Aug 31, 2021 at 09:21:10PM +0800, Qi Zheng wrote: > Currently we have three times the same few lines repeated in the > code. Deduplicate them by newly introduced pmd_install() helper. > > Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> > Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> > Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> > --- > include/linux/mm.h | 1 + > mm/filemap.c | 11 ++--------- > mm/memory.c | 34 ++++++++++++++++------------------ > 3 files changed, 19 insertions(+), 27 deletions(-) > > diff --git a/include/linux/mm.h b/include/linux/mm.h > index a3cc83d64564..0af420a7e382 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -2463,6 +2463,7 @@ static inline spinlock_t *pud_lock(struct mm_struct *mm, pud_t *pud) > return ptl; > } > > +extern void pmd_install(struct mm_struct *mm, pmd_t *pmd, pgtable_t *pte); > extern void __init pagecache_init(void); > extern void __init free_area_init_memoryless_node(int nid); > extern void free_initmem(void); mm/internal.h would be a better fit for the declaration. Otherwise: Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> -- Kirill A. Shutemov