search for: out_not_isol

...d, > + * lets be sure we have the page lock > + * before proceeding with the mobile page isolation steps. > + */ > + if (unlikely(!trylock_page(page))) > + goto out_putpage; > + > + if (!(mobile_page(page) && page->mapping->a_ops->isolatepage)) > + goto out_not_isolated; > + ret = page->mapping->a_ops->isolatepage(page, mode); > + if (!ret) > + goto out_not_isolated; > + unlock_page(page); > + return ret; > + > +out_not_isolated: > + unlock_page(page); > +out_putpage: > + put_page(page); > +out: > + return ret; &gt...

...d, > + * lets be sure we have the page lock > + * before proceeding with the mobile page isolation steps. > + */ > + if (unlikely(!trylock_page(page))) > + goto out_putpage; > + > + if (!(mobile_page(page) && page->mapping->a_ops->isolatepage)) > + goto out_not_isolated; > + ret = page->mapping->a_ops->isolatepage(page, mode); > + if (!ret) > + goto out_not_isolated; > + unlock_page(page); > + return ret; > + > +out_not_isolated: > + unlock_page(page); > +out_putpage: > + put_page(page); > +out: > + return ret; &gt...

...d, > + * lets be sure we have the page lock > + * before proceeding with the mobile page isolation steps. > + */ > + if (unlikely(!trylock_page(page))) > + goto out_putpage; > + > + if (!(mobile_page(page) && page->mapping->a_ops->isolatepage)) > + goto out_not_isolated; I cannot know how isolate_mobilepage is called by upper layer because this patch doesn't include it. Anyway, why we need such many checks to prove it's mobile page? mobile_page() { page->mapping && (PageMobile(page) || PageBalloon(page)); } Additionally, added page->m...

...d, > + * lets be sure we have the page lock > + * before proceeding with the mobile page isolation steps. > + */ > + if (unlikely(!trylock_page(page))) > + goto out_putpage; > + > + if (!(mobile_page(page) && page->mapping->a_ops->isolatepage)) > + goto out_not_isolated; I cannot know how isolate_mobilepage is called by upper layer because this patch doesn't include it. Anyway, why we need such many checks to prove it's mobile page? mobile_page() { page->mapping && (PageMobile(page) || PageBalloon(page)); } Additionally, added page->m...

...ttempting to isolate pages being released, + * lets be sure we have the page lock + * before proceeding with the mobile page isolation steps. + */ + if (unlikely(!trylock_page(page))) + goto out_putpage; + + if (!(mobile_page(page) && page->mapping->a_ops->isolatepage)) + goto out_not_isolated; + ret = page->mapping->a_ops->isolatepage(page, mode); + if (!ret) + goto out_not_isolated; + unlock_page(page); + return ret; + +out_not_isolated: + unlock_page(page); +out_putpage: + put_page(page); +out: + return ret; +} + +static inline void putback_mobilepage(struct page *page)...

...ceeding with the mobile page isolation steps. >> + */ >> + if (unlikely(!trylock_page(page))) >> + goto out_putpage; >> + >> + if (!(mobile_page(page) && page->mapping->a_ops->isolatepage)) >> + goto out_not_isolated; >> + ret = page->mapping->a_ops->isolatepage(page, mode); >> + if (!ret) >> + goto out_not_isolated; >> + unlock_page(page); >> + return ret; >> + >> +out_not_isolated: >> + unlock_page(page);...

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