| Subject | Re: [PATCH 31/31] mm, vmstat: Remove zone and node double accounting by approximating retries | From | Dave Hansen <> | Date | Wed, 6 Jul 2016 11:12:52 -0700 |
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On 07/01/2016 01:01 PM, Mel Gorman wrote: > +#ifdef CONFIG_HIGHMEM > +extern unsigned long highmem_file_pages; > + > +static inline void acct_highmem_file_pages(int zid, enum lru_list lru, > + int nr_pages) > +{ > + if (is_highmem_idx(zid) && is_file_lru(lru)) > + highmem_file_pages += nr_pages; > +} > +#else
Shouldn't highmem_file_pages technically be an atomic_t (or atomic64_t)? We could have highmem on two nodes which take two different LRU locks.
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