linux-kernel - [PATCH 1/6] mm: vmscan: delete unused pgdat_reclaimable

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Message-Id: <20170530181724.27197-2-hannes@cmpxchg.org>
Date:   Tue, 30 May 2017 14:17:19 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     Josef Bacik <josef@...icpanda.com>
Cc:     Michal Hocko <mhocko@...e.com>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Rik van Riel <riel@...hat.com>, linux-mm@...ck.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...com
Subject: [PATCH 1/6] mm: vmscan: delete unused pgdat_reclaimable_pages()

Signed-off-by: Johannes Weiner <hannes@...xchg.org>
---
 include/linux/swap.h |  1 -
 mm/vmscan.c          | 16 ----------------
 2 files changed, 17 deletions(-)

diff --git a/include/linux/swap.h b/include/linux/swap.h
index ba5882419a7d..6e3d1d0a7f48 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -289,7 +289,6 @@ extern void lru_cache_add_active_or_unevictable(struct page *page,
 
 /* linux/mm/vmscan.c */
 extern unsigned long zone_reclaimable_pages(struct zone *zone);
-extern unsigned long pgdat_reclaimable_pages(struct pglist_data *pgdat);
 extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
 					gfp_t gfp_mask, nodemask_t *mask);
 extern int __isolate_lru_page(struct page *page, isolate_mode_t mode);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8ad39bbc79e6..c5f9d1673392 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -219,22 +219,6 @@ unsigned long zone_reclaimable_pages(struct zone *zone)
 	return nr;
 }
 
-unsigned long pgdat_reclaimable_pages(struct pglist_data *pgdat)
-{
-	unsigned long nr;
-
-	nr = node_page_state_snapshot(pgdat, NR_ACTIVE_FILE) +
-	     node_page_state_snapshot(pgdat, NR_INACTIVE_FILE) +
-	     node_page_state_snapshot(pgdat, NR_ISOLATED_FILE);
-
-	if (get_nr_swap_pages() > 0)
-		nr += node_page_state_snapshot(pgdat, NR_ACTIVE_ANON) +
-		      node_page_state_snapshot(pgdat, NR_INACTIVE_ANON) +
-		      node_page_state_snapshot(pgdat, NR_ISOLATED_ANON);
-
-	return nr;
-}
-
 /**
  * lruvec_lru_size -  Returns the number of pages on the given LRU list.
  * @lruvec: lru vector
-- 
2.12.2