diff options
| author | David Hildenbrand <david@redhat.com> | 2020-08-06 23:25:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-07 11:33:29 -0700 |
| commit | 56b9413bcb369f1329a438c7b61d235b4123e794 (patch) | |
| tree | 6714709d21537e781d4dc6fb786cbd549acdc187 | |
| parent | 0a18e60788d6a39436e8b5e91001b790043fc29c (diff) | |
mm/page_alloc: remove nr_free_pagecache_pages()
nr_free_pagecache_pages() isn't used outside page_alloc.c anymore - and
the name does not really help to understand what's going on. Let's
open-code it instead and add a comment.
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Huang Ying <ying.huang@intel.com>
Link: http://lkml.kernel.org/r/20200619132410.23859-3-david@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/swap.h | 1 | ||||
| -rw-r--r-- | mm/page_alloc.c | 16 |
2 files changed, 2 insertions, 15 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 4ab236692e05..7eb59bc552a5 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -328,7 +328,6 @@ void workingset_update_node(struct xa_node *node); /* 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) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 20184e2a8cfe..ba09a3aeb76b 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5186,19 +5186,6 @@ unsigned long nr_free_buffer_pages(void) } 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)) @@ -5920,7 +5907,8 @@ void __ref build_all_zonelists(pg_data_t *pgdat) __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 |