Messages in this thread | | | Date | Tue, 26 Apr 2005 23:47:25 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] counting bounce buffer in vmstat |
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KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > > diff -puN include/linux/page-flags.h~count_bounce include/linux/page-flags.h > --- linux-2.6.12-rc2-mm3/include/linux/page-flags.h~count_bounce 2005-04-27 10:23:15.000000000 +0900 > +++ linux-2.6.12-rc2-mm3-kamezawa/include/linux/page-flags.h 2005-04-27 10:24:11.000000000 +0900 > @@ -89,6 +89,7 @@ struct page_state { > unsigned long nr_page_table_pages;/* Pages used for pagetables */ > unsigned long nr_mapped; /* mapped into pagetables */ > unsigned long nr_slab; /* In slab */ > + unsigned long nr_bounce; /* pages for bounce buffers */ > #define GET_PAGE_STATE_LAST nr_slab
That's not really right.
There are two functions: get_page_state() and get_full_page_state(). get_page_state() only gets those fields up to and including GET_PAGE_STATE_LAST. The way you have the code laid out there implies that get_page_state() also calculates the total nr_bounce, only it doesn't.
I'll fix it up.
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