search for: kpf_mobil

....c b/fs/proc/page.c > index 7eee2d8..a4f5a00 100644 > --- a/fs/proc/page.c > +++ b/fs/proc/page.c > @@ -146,6 +146,9 @@ u64 stable_page_flags(struct page *page) > if (PageBalloon(page)) > u |= 1 << KPF_BALLOON; > > + if (PageMobile(page)) > + u |= 1 << KPF_MOBILE; PageMovable() would probably be as good a name and correspond to MIGRATE_MOVABLE somewhat, unlike a completely new term. Whatever driver starts to using this should probably change allocation flags to allocate MIGRATE_MOVABLE, so that it works fine with what fragmentation avoidance expects....

....c b/fs/proc/page.c > index 7eee2d8..a4f5a00 100644 > --- a/fs/proc/page.c > +++ b/fs/proc/page.c > @@ -146,6 +146,9 @@ u64 stable_page_flags(struct page *page) > if (PageBalloon(page)) > u |= 1 << KPF_BALLOON; > > + if (PageMobile(page)) > + u |= 1 << KPF_MOBILE; PageMovable() would probably be as good a name and correspond to MIGRATE_MOVABLE somewhat, unlike a completely new term. Whatever driver starts to using this should probably change allocation flags to allocate MIGRATE_MOVABLE, so that it works fine with what fragmentation avoidance expects....

...d8..a4f5a00 100644 > --- a/fs/proc/page.c > +++ b/fs/proc/page.c > @@ -146,6 +146,9 @@ u64 stable_page_flags(struct page *page) > if (PageBalloon(page)) > u |= 1 << KPF_BALLOON; > > + if (PageMobile(page)) > + u |= 1 << KPF_MOBILE; > + > u |= kpf_copy_bit(k, KPF_LOCKED, PG_locked); > > u |= kpf_copy_bit(k, KPF_SLAB, PG_slab); > diff --git a/include/linux/compaction.h b/include/linux/compaction.h > index aa8f61c..c375a89 100644 > --- a/include/linux/compaction.h > +++ b...

...d8..a4f5a00 100644 > --- a/fs/proc/page.c > +++ b/fs/proc/page.c > @@ -146,6 +146,9 @@ u64 stable_page_flags(struct page *page) > if (PageBalloon(page)) > u |= 1 << KPF_BALLOON; > > + if (PageMobile(page)) > + u |= 1 << KPF_MOBILE; > + > u |= kpf_copy_bit(k, KPF_LOCKED, PG_locked); > > u |= kpf_copy_bit(k, KPF_SLAB, PG_slab); > diff --git a/include/linux/compaction.h b/include/linux/compaction.h > index aa8f61c..c375a89 100644 > --- a/include/linux/compaction.h > +++ b...

....c b/fs/proc/page.c > index 7eee2d8..a4f5a00 100644 > --- a/fs/proc/page.c > +++ b/fs/proc/page.c > @@ -146,6 +146,9 @@ u64 stable_page_flags(struct page *page) > if (PageBalloon(page)) > u |= 1 << KPF_BALLOON; > > + if (PageMobile(page)) > + u |= 1 << KPF_MOBILE; > + Need a new page flag for non-LRU page migration? I am worry that we don't have empty slot for page flag on 32-bit. Aha, see SetPageMobile below. You use _mapcount. It seems to be work for non-LRU pages but unfortunately, zsmalloc already have used that field as own purpose so there i...

....c b/fs/proc/page.c > index 7eee2d8..a4f5a00 100644 > --- a/fs/proc/page.c > +++ b/fs/proc/page.c > @@ -146,6 +146,9 @@ u64 stable_page_flags(struct page *page) > if (PageBalloon(page)) > u |= 1 << KPF_BALLOON; > > + if (PageMobile(page)) > + u |= 1 << KPF_MOBILE; > + Need a new page flag for non-LRU page migration? I am worry that we don't have empty slot for page flag on 32-bit. Aha, see SetPageMobile below. You use _mapcount. It seems to be work for non-LRU pages but unfortunately, zsmalloc already have used that field as own purpose so there i...

...101 insertions(+) diff --git a/fs/proc/page.c b/fs/proc/page.c index 7eee2d8..a4f5a00 100644 --- a/fs/proc/page.c +++ b/fs/proc/page.c @@ -146,6 +146,9 @@ u64 stable_page_flags(struct page *page) if (PageBalloon(page)) u |= 1 << KPF_BALLOON; + if (PageMobile(page)) + u |= 1 << KPF_MOBILE; + u |= kpf_copy_bit(k, KPF_LOCKED, PG_locked); u |= kpf_copy_bit(k, KPF_SLAB, PG_slab); diff --git a/include/linux/compaction.h b/include/linux/compaction.h index aa8f61c..c375a89 100644 --- a/include/linux/compaction.h +++ b/include/linux/compaction.h @@ -1,6 +1,9 @@ #ifndef _LINUX_COMPA...

...105 insertions(+) diff --git a/fs/proc/page.c b/fs/proc/page.c index 7eee2d8..a4f5a00 100644 --- a/fs/proc/page.c +++ b/fs/proc/page.c @@ -146,6 +146,9 @@ u64 stable_page_flags(struct page *page) if (PageBalloon(page)) u |= 1 << KPF_BALLOON; + if (PageMobile(page)) + u |= 1 << KPF_MOBILE; + u |= kpf_copy_bit(k, KPF_LOCKED, PG_locked); u |= kpf_copy_bit(k, KPF_SLAB, PG_slab); diff --git a/include/linux/compaction.h b/include/linux/compaction.h index aa8f61c..f693072 100644 --- a/include/linux/compaction.h +++ b/include/linux/compaction.h @@ -1,6 +1,9 @@ #ifndef _LINUX_COMPA...

...a/fs/proc/page.c >> +++ b/fs/proc/page.c >> @@ -146,6 +146,9 @@ u64 stable_page_flags(struct page *page) >> if (PageBalloon(page)) >> u |= 1 << KPF_BALLOON; >> >> + if (PageMobile(page)) >> + u |= 1 << KPF_MOBILE; > > > PageMovable() would probably be as good a name and correspond to > MIGRATE_MOVABLE somewhat, unlike a completely new term. Whatever driver > starts to using this should probably change allocation flags to allocate > MIGRATE_MOVABLE, so that it works fine with what fragment...

From: Gioh Kim <gurugio at hanmail.net> Hello, This series try to enable migration of non-LRU pages, such as driver's page. My ARM-based platform occured severe fragmentation problem after long-term (several days) test. Sometimes even order-3 page allocation failed. It has memory size 512MB ~ 1024MB. 30% ~ 40% memory is consumed for graphic processing and 20~30 memory is reserved for

From: Gioh Kim <gurugio at hanmail.net> Hello, This series try to enable migration of non-LRU pages, such as driver's page. My ARM-based platform occured severe fragmentation problem after long-term (several days) test. Sometimes even order-3 page allocation failed. It has memory size 512MB ~ 1024MB. 30% ~ 40% memory is consumed for graphic processing and 20~30 memory is reserved for

From: Gioh Kim <gurugio at hanmail.net> Hello, This series try to enable migration of non-LRU pages, such as driver's page. My ARM-based platform occured severe fragmentation problem after long-term (several days) test. Sometimes even order-3 page allocation failed. It has memory size 512MB ~ 1024MB. 30% ~ 40% memory is consumed for graphic processing and 20~30 memory is reserved for

From: Gioh Kim <gurugio at hanmail.net> Hello, This series try to enable migration of non-LRU pages, such as driver's page. My ARM-based platform occured severe fragmentation problem after long-term (several days) test. Sometimes even order-3 page allocation failed. It has memory size 512MB ~ 1024MB. 30% ~ 40% memory is consumed for graphic processing and 20~30 memory is reserved for