search for: alloc_flags

...e. [22798.508909] Unless you get a _continuous_flood_ of these messages it means [22798.508911] everything is working fine. Allocations from irqs cannot be [22798.508913] perfectly reliable and the kernel is designed to handle that. [22798.508917] loop3: page allocation failure. order:0, mode:0x20, alloc_flags:0x30 pflags:0x80208040 Signed-off-by: Michal Hocko <mhocko at suse.cz> --- drivers/net/virtio_net.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 90a23e4..aea1e51 100644 --- a/drivers/net/virtio_net.c +++...

...e. [22798.508909] Unless you get a _continuous_flood_ of these messages it means [22798.508911] everything is working fine. Allocations from irqs cannot be [22798.508913] perfectly reliable and the kernel is designed to handle that. [22798.508917] loop3: page allocation failure. order:0, mode:0x20, alloc_flags:0x30 pflags:0x80208040 Signed-off-by: Michal Hocko <mhocko at suse.cz> --- drivers/net/virtio_net.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 90a23e4..aea1e51 100644 --- a/drivers/net/virtio_net.c +++...

...e->mapping && page->mapping->a_ops->putbackpage) page->mapping->a_ops->putbackpage(page); unlock_page(); put_page(page); > +} > #else > static inline unsigned long try_to_compact_pages(gfp_t gfp_mask, > unsigned int order, int alloc_flags, > @@ -83,6 +146,19 @@ static inline bool compaction_deferred(struct zone *zone, int order) > return true; > } > > +static inline bool mobile_page(struct page *page) > +{ > + return false; > +} > + > +static inline bool isolate_mobilepage(struct page *pa...

...e->mapping && page->mapping->a_ops->putbackpage) page->mapping->a_ops->putbackpage(page); unlock_page(); put_page(page); > +} > #else > static inline unsigned long try_to_compact_pages(gfp_t gfp_mask, > unsigned int order, int alloc_flags, > @@ -83,6 +146,19 @@ static inline bool compaction_deferred(struct zone *zone, int order) > return true; > } > > +static inline bool mobile_page(struct page *page) > +{ > + return false; > +} > + > +static inline bool isolate_mobilepage(struct page *pa...

...+ page->mapping->a_ops->putbackpage(page); > + unlock_page(page); > + /* drop the extra ref count taken for mobile page isolation */ > + put_page(page); > +} > #else > static inline unsigned long try_to_compact_pages(gfp_t gfp_mask, > unsigned int order, int alloc_flags, > @@ -83,6 +150,19 @@ static inline bool compaction_deferred(struct zone *zone, int order) > return true; > } > > +static inline bool mobile_page(struct page *page) > +{ > + return false; > +} > + > +static inline bool isolate_mobilepage(struct page *page, isolat...

...+ page->mapping->a_ops->putbackpage(page); > + unlock_page(page); > + /* drop the extra ref count taken for mobile page isolation */ > + put_page(page); > +} > #else > static inline unsigned long try_to_compact_pages(gfp_t gfp_mask, > unsigned int order, int alloc_flags, > @@ -83,6 +150,19 @@ static inline bool compaction_deferred(struct zone *zone, int order) > return true; > } > > +static inline bool mobile_page(struct page *page) > +{ > + return false; > +} > + > +static inline bool isolate_mobilepage(struct page *page, isolat...

...paction_restarting(struct zone *zone, int order); +static inline bool driver_page_migratable(struct page *page) +{ + return PageMigratable(page) && mapping_migratable(page->mapping); +} #else static inline unsigned long try_to_compact_pages(gfp_t gfp_mask, unsigned int order, int alloc_flags, @@ -83,6 +90,10 @@ static inline bool compaction_deferred(struct zone *zone, int order) return true; } +static inline bool driver_page_migratable(struct page *page) +{ + return false +} #endif /* CONFIG_COMPACTION */ #if defined(CONFIG_COMPACTION) && defined(CONFIG_SYSFS) &&am...

...gt; + page->mapping->a_ops->putbackpage(page); > + unlock_page(page); > + /* drop the extra ref count taken for mobile page isolation */ > + put_page(page); > +} > #else > static inline unsigned long try_to_compact_pages(gfp_t gfp_mask, > unsigned int order, int alloc_flags, > @@ -83,6 +150,19 @@ static inline bool compaction_deferred(struct zone *zone, int order) > return true; > } > > +static inline bool mobile_page(struct page *page) > +{ > + return false; > +} > + > +static inline bool isolate_mobilepage(struct page *page, isolat...

...gt; + page->mapping->a_ops->putbackpage(page); > + unlock_page(page); > + /* drop the extra ref count taken for mobile page isolation */ > + put_page(page); > +} > #else > static inline unsigned long try_to_compact_pages(gfp_t gfp_mask, > unsigned int order, int alloc_flags, > @@ -83,6 +150,19 @@ static inline bool compaction_deferred(struct zone *zone, int order) > return true; > } > > +static inline bool mobile_page(struct page *page) > +{ > + return false; > +} > + > +static inline bool isolate_mobilepage(struct page *page, isolat...

...ing->a_ops->putbackpage) { + page->mapping->a_ops->putbackpage(page); + /* drop the extra ref count taken for mobile page isolation */ + put_page(page); + } + unlock_page(page); +} #else static inline unsigned long try_to_compact_pages(gfp_t gfp_mask, unsigned int order, int alloc_flags, @@ -83,6 +146,19 @@ static inline bool compaction_deferred(struct zone *zone, int order) return true; } +static inline bool mobile_page(struct page *page) +{ + return false; +} + +static inline bool isolate_mobilepage(struct page *page, isolate_mode_t mode) +{ + return false; +} + +static inl...

...>mapping->a_ops->putbackpage) + page->mapping->a_ops->putbackpage(page); + unlock_page(page); + /* drop the extra ref count taken for mobile page isolation */ + put_page(page); +} #else static inline unsigned long try_to_compact_pages(gfp_t gfp_mask, unsigned int order, int alloc_flags, @@ -83,6 +150,19 @@ static inline bool compaction_deferred(struct zone *zone, int order) return true; } +static inline bool mobile_page(struct page *page) +{ + return false; +} + +static inline bool isolate_mobilepage(struct page *page, isolate_mode_t mode) +{ + return false; +} + +static inl...

...unlock_page(page); >> + /* drop the extra ref count taken for mobile page isolation */ >> + put_page(page); >> +} >> #else >> static inline unsigned long try_to_compact_pages(gfp_t gfp_mask, >> unsigned int order, int alloc_flags, >> @@ -83,6 +150,19 @@ static inline bool compaction_deferred(struct zone >> *zone, int order) >> return true; >> } >> >> +static inline bool mobile_page(struct page *page) >> +{ >> + return false; >> +} >> + >> +sta...

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

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 zram. I found that many pages of GPU driver

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 zram. I found that many pages of GPU driver

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

Dear list members, In my previous thread at http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg23333.html there was a space_cache kernel bug/panic on kernel 3.8. I could successfully "fix" that with rebuilding the cache. But some files were missing/corrupted. So I booted a rescue CD with kernel 3.7 and ran btrfsck --repair, which repaired quite a few things. After a reboot I

...ruct page *page) +{ + return 0; +} +static inline void __SetPageMovable(struct page *page, + struct address_space *mapping) +{ +} + +static inline void __ClearPageMovable(struct page *page) +{ +} + static inline enum compact_result try_to_compact_pages(gfp_t gfp_mask, unsigned int order, int alloc_flags, const struct alloc_context *ac, @@ -212,6 +228,7 @@ static inline void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_i #endif /* CONFIG_COMPACTION */ #if defined(CONFIG_COMPACTION) && defined(CONFIG_SYSFS) && defined(CONFIG_NUMA) +struct node; extern int comp...