lkml.org 
[lkml]   [2016]   [Jul]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 31/31] mm, vmstat: Remove zone and node double accounting by approximating retries
From
Date
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.

\
 
 \ /
  Last update: 2016-07-06 21:01    [W:0.162 / U:2.380 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site