search for: new_page_t

...pace *mapping); > +extern void __ClearPageMovable(struct page *page); > extern void putback_movable_pages(struct list_head *l); > extern int migrate_page(struct address_space *, > struct page *, struct page *, enum migrate_mode); > extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, > unsigned long private, enum migrate_mode mode, int reason); > +extern bool isolate_movable_page(struct page *page, isolate_mode_t mode); > +extern void putback_movable_page(struct page *page); > > extern int migrate_prep(void); > extern int migrate_...

...pace *mapping); > +extern void __ClearPageMovable(struct page *page); > extern void putback_movable_pages(struct list_head *l); > extern int migrate_page(struct address_space *, > struct page *, struct page *, enum migrate_mode); > extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, > unsigned long private, enum migrate_mode mode, int reason); > +extern bool isolate_movable_page(struct page *page, isolate_mode_t mode); > +extern void putback_movable_page(struct page *page); > > extern int migrate_prep(void); > extern int migrate_...

...t: + /* If migration is scucessful, move newpage to right list */ + if (rc == MIGRATEPAGE_SUCCESS) { + if (unlikely(__is_movable_balloon_page(newpage))) + put_page(newpage); + else + putback_lru_page(newpage); + } + return rc; } @@ -940,6 +948,12 @@ static ICE_noinline int unmap_and_move(new_page_t get_new_page, if (page_count(page) == 1) { /* page was freed from under us. So we are done. */ + ClearPageActive(page); + ClearPageUnevictable(page); + if (put_new_page) + put_new_page(newpage, private); + else + put_page(newpage); goto out; } @@ -952,9 +966,6 @@ static ICE_no...

...t: + /* If migration is successful, move newpage to right list */ + if (rc == MIGRATEPAGE_SUCCESS) { + if (unlikely(__is_movable_balloon_page(newpage))) + put_page(newpage); + else + putback_lru_page(newpage); + } + return rc; } @@ -946,6 +954,12 @@ static ICE_noinline int unmap_and_move(new_page_t get_new_page, if (page_count(page) == 1) { /* page was freed from under us. So we are done. */ + ClearPageActive(page); + ClearPageUnevictable(page); + if (put_new_page) + put_new_page(newpage, private); + else + put_page(newpage); goto out; } @@ -958,10 +972,8 @@ static ICE_n...

...pace *mapping); > +extern void __ClearPageMovable(struct page *page); > extern void putback_movable_pages(struct list_head *l); > extern int migrate_page(struct address_space *, > struct page *, struct page *, enum migrate_mode); > extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, > unsigned long private, enum migrate_mode mode, int reason); > +extern bool isolate_movable_page(struct page *page, isolate_mode_t mode); > +extern void putback_movable_page(struct page *page); > > extern int migrate_prep(void); > extern int migrate_...

...pace *mapping); > +extern void __ClearPageMovable(struct page *page); > extern void putback_movable_pages(struct list_head *l); > extern int migrate_page(struct address_space *, > struct page *, struct page *, enum migrate_mode); > extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, > unsigned long private, enum migrate_mode mode, int reason); > +extern bool isolate_movable_page(struct page *page, isolate_mode_t mode); > +extern void putback_movable_page(struct page *page); > > extern int migrate_prep(void); > extern int migrate_...

...t ah.jp.nec.com> > > > >Acked-by: Vlastimil Babka <vbabka at suse.cz> > > > >Signed-off-by: Minchan Kim <minchan at kernel.org> > > > > > > [...] > > > > > > >@@ -974,28 +986,28 @@ static ICE_noinline int unmap_and_move(new_page_t get_new_page, > > > > list_del(&page->lru); > > > > dec_zone_page_state(page, NR_ISOLATED_ANON + > > > > page_is_file_cache(page)); > > > >- /* Soft-offlined page shouldn't go through lru cache list */ > > > >+ } &gt...

...t ah.jp.nec.com> > > > >Acked-by: Vlastimil Babka <vbabka at suse.cz> > > > >Signed-off-by: Minchan Kim <minchan at kernel.org> > > > > > > [...] > > > > > > >@@ -974,28 +986,28 @@ static ICE_noinline int unmap_and_move(new_page_t get_new_page, > > > > list_del(&page->lru); > > > > dec_zone_page_state(page, NR_ISOLATED_ANON + > > > > page_is_file_cache(page)); > > > >- /* Soft-offlined page shouldn't go through lru cache list */ > > > >+ } &gt...

Memory fragmentation introduced by ballooning might reduce significantly the number of 2MB contiguous memory blocks that can be used within a guest, thus imposing performance penalties associated with the reduced number of transparent huge pages that could be used by the guest workload. This patch-set follows the main idea discussed at 2012 LSFMMS session: "Ballooning for transparent huge

Memory fragmentation introduced by ballooning might reduce significantly the number of 2MB contiguous memory blocks that can be used within a guest, thus imposing performance penalties associated with the reduced number of transparent huge pages that could be used by the guest workload. This patch-set follows the main idea discussed at 2012 LSFMMS session: "Ballooning for transparent huge

Memory fragmentation introduced by ballooning might reduce significantly the number of 2MB contiguous memory blocks that can be used within a guest, thus imposing performance penalties associated with the reduced number of transparent huge pages that could be used by the guest workload. This patch-set follows the main idea discussed at 2012 LSFMMS session: "Ballooning for transparent huge

Memory fragmentation introduced by ballooning might reduce significantly the number of 2MB contiguous memory blocks that can be used within a guest, thus imposing performance penalties associated with the reduced number of transparent huge pages that could be used by the guest workload. This patch-set follows the main idea discussed at 2012 LSFMMS session: "Ballooning for transparent huge

Memory fragmentation introduced by ballooning might reduce significantly the number of 2MB contiguous memory blocks that can be used within a guest, thus imposing performance penalties associated with the reduced number of transparent huge pages that could be used by the guest workload. This patch-set follows the main idea discussed at 2012 LSFMMS session: "Ballooning for transparent huge

Memory fragmentation introduced by ballooning might reduce significantly the number of 2MB contiguous memory blocks that can be used within a guest, thus imposing performance penalties associated with the reduced number of transparent huge pages that could be used by the guest workload. This patch-set follows the main idea discussed at 2012 LSFMMS session: "Ballooning for transparent huge

...Cc: Hugh Dickins <hughd at google.com> > Cc: Naoya Horiguchi <n-horiguchi at ah.jp.nec.com> > Acked-by: Vlastimil Babka <vbabka at suse.cz> > Signed-off-by: Minchan Kim <minchan at kernel.org> [...] > @@ -974,28 +986,28 @@ static ICE_noinline int unmap_and_move(new_page_t get_new_page, > list_del(&page->lru); > dec_zone_page_state(page, NR_ISOLATED_ANON + > page_is_file_cache(page)); > - /* Soft-offlined page shouldn't go through lru cache list */ > + } > + > + /* > + * If migration is successful, drop the reference...

...Cc: Hugh Dickins <hughd at google.com> > Cc: Naoya Horiguchi <n-horiguchi at ah.jp.nec.com> > Acked-by: Vlastimil Babka <vbabka at suse.cz> > Signed-off-by: Minchan Kim <minchan at kernel.org> [...] > @@ -974,28 +986,28 @@ static ICE_noinline int unmap_and_move(new_page_t get_new_page, > list_del(&page->lru); > dec_zone_page_state(page, NR_ISOLATED_ANON + > page_is_file_cache(page)); > - /* Soft-offlined page shouldn't go through lru cache list */ > + } > + > + /* > + * If migration is successful, drop the reference...

Memory fragmentation introduced by ballooning might reduce significantly the number of 2MB contiguous memory blocks that can be used within a guest, thus imposing performance penalties associated with the reduced number of transparent huge pages that could be used by the guest workload. This patch-set follows the main idea discussed at 2012 LSFMMS session: "Ballooning for transparent huge

Memory fragmentation introduced by ballooning might reduce significantly the number of 2MB contiguous memory blocks that can be used within a guest, thus imposing performance penalties associated with the reduced number of transparent huge pages that could be used by the guest workload. This patch-set follows the main idea discussed at 2012 LSFMMS session: "Ballooning for transparent huge

...rate.h b/include/linux/migrate.h index 9b50325e4ddf..404fbfefeb33 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -37,6 +37,8 @@ extern int migrate_page(struct address_space *, struct page *, struct page *, enum migrate_mode); extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, unsigned long private, enum migrate_mode mode, int reason); +extern bool isolate_movable_page(struct page *page, isolate_mode_t mode); +extern void putback_movable_page(struct page *page); extern int migrate_prep(void); extern int migrate_prep_local(void); diff --git a...

Memory fragmentation introduced by ballooning might reduce significantly the number of 2MB contiguous memory blocks that can be used within a guest, thus imposing performance penalties associated with the reduced number of transparent huge pages that could be used by the guest workload. This patch-set follows the main idea discussed at 2012 LSFMMS session: "Ballooning for transparent huge