/* linux/mm/page_alloc.c */
extern unsigned long totalreserve_pages;
extern unsigned long nr_free_buffer_pages(void);
-extern unsigned long nr_free_pagecache_pages(void);
/* Definition of global_zone_page_state not available yet */
#define nr_free_pages() global_zone_page_state(NR_FREE_PAGES)
}
EXPORT_SYMBOL_GPL(nr_free_buffer_pages);
-/**
- * nr_free_pagecache_pages - count number of pages beyond high watermark
- *
- * nr_free_pagecache_pages() counts the number of pages which are beyond the
- * high watermark within all zones.
- *
- * Return: number of pages beyond high watermark within all zones.
- */
-unsigned long nr_free_pagecache_pages(void)
-{
- return nr_free_zone_pages(gfp_zone(GFP_HIGHUSER_MOVABLE));
-}
-
static inline void show_node(struct zone *zone)
{
if (IS_ENABLED(CONFIG_NUMA))
__build_all_zonelists(pgdat);
/* cpuset refresh routine should be here */
}
- vm_total_pages = nr_free_pagecache_pages();
+ /* Get the number of free pages beyond high watermark in all zones. */
+ vm_total_pages = nr_free_zone_pages(gfp_zone(GFP_HIGHUSER_MOVABLE));
/*
* Disable grouping by mobility if the number of pages in the
* system is too low to allow the mechanism to work. It would be