Messages in this thread |  | | From | Daniel Phillips <> | Subject | Re: [PATCH] fix page aging (2.4.9-ac12) | Date | Thu, 20 Sep 2001 15:32:26 +0200 |
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On September 19, 2001 08:40 pm, Jan Harkes wrote: > On Wed, Sep 19, 2001 at 03:25:29PM -0300, Rik van Riel wrote: > > No more mr. overcareful, obviously that doesn't work ;) > > Finally ;) > > > static inline void age_page_down(struct page *page) > > { > ... > > + unsigned long age = page->age; > > + if (age > 0) > > + age -= PAGE_AGE_DECL; > > + page->age = age; > > } > > Perhaps the following would be better, just in case anyone sets > PAGE_AGE_DECL to something other than 1. > > static inline void age_page_down(struct page *page) > { > unsigned long age = page->age; > if (age > PAGE_AGE_DECL) > age -= PAGE_AGE_DECL; > else > age = 0; > page->age = age; > }
static inline void age_page_down(struct page *page) { page->age = max((int) (age - PAGE_AGE_DECL), 0); }
;-)
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