Message ID | 611250978aa68c1fab6112a795e9c0e5b817d9ee.1640077468.git.baolin.wang@linux.alibaba.com (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | Add a new scheme to support demotion on tiered memory system | expand |
On Tue, 21 Dec 2021 17:18:03 +0800 Baolin Wang <baolin.wang@linux.alibaba.com> wrote: > Export the alloc_demote_page() function to the head file as a > preparation to support page demotion for DAMON monitor. > > Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: SeongJae Park <sj@kernel.org> Thanks, SJ > --- > mm/internal.h | 1 + > mm/vmscan.c | 2 +- > 2 files changed, 2 insertions(+), 1 deletion(-) > > diff --git a/mm/internal.h b/mm/internal.h > index deb9bda..99ea5fb 100644 > --- a/mm/internal.h > +++ b/mm/internal.h > @@ -181,6 +181,7 @@ static inline void set_page_refcounted(struct page *page) > extern int isolate_lru_page(struct page *page); > extern void putback_lru_page(struct page *page); > extern void reclaim_throttle(pg_data_t *pgdat, enum vmscan_throttle_state reason); > +extern struct page *alloc_demote_page(struct page *page, unsigned long node); > > /* > * in mm/rmap.c: > diff --git a/mm/vmscan.c b/mm/vmscan.c > index f3162a5..bf38327 100644 > --- a/mm/vmscan.c > +++ b/mm/vmscan.c > @@ -1458,7 +1458,7 @@ static void page_check_dirty_writeback(struct page *page, > mapping->a_ops->is_dirty_writeback(page, dirty, writeback); > } > > -static struct page *alloc_demote_page(struct page *page, unsigned long node) > +struct page *alloc_demote_page(struct page *page, unsigned long node) > { > struct migration_target_control mtc = { > /* > -- > 1.8.3.1
diff --git a/mm/internal.h b/mm/internal.h index deb9bda..99ea5fb 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -181,6 +181,7 @@ static inline void set_page_refcounted(struct page *page) extern int isolate_lru_page(struct page *page); extern void putback_lru_page(struct page *page); extern void reclaim_throttle(pg_data_t *pgdat, enum vmscan_throttle_state reason); +extern struct page *alloc_demote_page(struct page *page, unsigned long node); /* * in mm/rmap.c: diff --git a/mm/vmscan.c b/mm/vmscan.c index f3162a5..bf38327 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1458,7 +1458,7 @@ static void page_check_dirty_writeback(struct page *page, mapping->a_ops->is_dirty_writeback(page, dirty, writeback); } -static struct page *alloc_demote_page(struct page *page, unsigned long node) +struct page *alloc_demote_page(struct page *page, unsigned long node) { struct migration_target_control mtc = { /*
Export the alloc_demote_page() function to the head file as a preparation to support page demotion for DAMON monitor. Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> --- mm/internal.h | 1 + mm/vmscan.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-)