From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: [patch 035/101] mm: rename NR_ANON_PAGES to NR_ANON_MAPPED Date: Thu, 28 Jul 2016 15:46:17 -0700 Message-ID: <579a8b39.jeBsueWJaV9QhKOX%akpm@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from mail.linuxfoundation.org ([140.211.169.12]:56888 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752226AbcG1WqS (ORCPT ); Thu, 28 Jul 2016 18:46:18 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: torvalds@linux-foundation.org, mm-commits@vger.kernel.org, akpm@linux-foundation.org, mgorman@techsingularity.net, hannes@cmpxchg.org, hillf.zj@alibaba-inc.com, iamjoonsoo.kim@lge.com, mhocko@kernel.org, minchan@kernel.org, riel@surriel.com, vbabka@suse.cz From: Mel Gorman Subject: mm: rename NR_ANON_PAGES to NR_ANON_MAPPED NR_FILE_PAGES is the number of file pages. NR_FILE_MAPPED is the number of mapped file pages. NR_ANON_PAGES is the number of mapped anon pages. This is unhelpful naming as it's easy to confuse NR_FILE_MAPPED and NR_ANON_PAGES for mapped pages. This patch renames NR_ANON_PAGES so we have NR_FILE_PAGES is the number of file pages. NR_FILE_MAPPED is the number of mapped file pages. NR_ANON_MAPPED is the number of mapped anon pages. Link: http://lkml.kernel.org/r/1467970510-21195-19-git-send-email-mgorman@techsingularity.net Signed-off-by: Mel Gorman Acked-by: Vlastimil Babka Cc: Hillf Danton Cc: Johannes Weiner Cc: Joonsoo Kim Cc: Michal Hocko Cc: Minchan Kim Cc: Rik van Riel Signed-off-by: Andrew Morton --- drivers/base/node.c | 2 +- fs/proc/meminfo.c | 2 +- include/linux/mmzone.h | 2 +- mm/migrate.c | 2 +- mm/rmap.c | 8 ++++---- 5 files changed, 8 insertions(+), 8 deletions(-) diff -puN drivers/base/node.c~mm-rename-nr_anon_pages-to-nr_anon_mapped drivers/base/node.c --- a/drivers/base/node.c~mm-rename-nr_anon_pages-to-nr_anon_mapped +++ a/drivers/base/node.c @@ -122,7 +122,7 @@ static ssize_t node_read_meminfo(struct nid, K(sum_zone_node_page_state(nid, NR_WRITEBACK)), nid, K(sum_zone_node_page_state(nid, NR_FILE_PAGES)), nid, K(node_page_state(pgdat, NR_FILE_MAPPED)), - nid, K(node_page_state(pgdat, NR_ANON_PAGES)), + nid, K(node_page_state(pgdat, NR_ANON_MAPPED)), nid, K(i.sharedram), nid, sum_zone_node_page_state(nid, NR_KERNEL_STACK) * THREAD_SIZE / 1024, diff -puN fs/proc/meminfo.c~mm-rename-nr_anon_pages-to-nr_anon_mapped fs/proc/meminfo.c --- a/fs/proc/meminfo.c~mm-rename-nr_anon_pages-to-nr_anon_mapped +++ a/fs/proc/meminfo.c @@ -140,7 +140,7 @@ static int meminfo_proc_show(struct seq_ K(i.freeswap), K(global_page_state(NR_FILE_DIRTY)), K(global_page_state(NR_WRITEBACK)), - K(global_node_page_state(NR_ANON_PAGES)), + K(global_node_page_state(NR_ANON_MAPPED)), K(global_node_page_state(NR_FILE_MAPPED)), K(i.sharedram), K(global_page_state(NR_SLAB_RECLAIMABLE) + diff -puN include/linux/mmzone.h~mm-rename-nr_anon_pages-to-nr_anon_mapped include/linux/mmzone.h --- a/include/linux/mmzone.h~mm-rename-nr_anon_pages-to-nr_anon_mapped +++ a/include/linux/mmzone.h @@ -161,7 +161,7 @@ enum node_stat_item { WORKINGSET_REFAULT, WORKINGSET_ACTIVATE, WORKINGSET_NODERECLAIM, - NR_ANON_PAGES, /* Mapped anonymous pages */ + NR_ANON_MAPPED, /* Mapped anonymous pages */ NR_FILE_MAPPED, /* pagecache pages mapped into pagetables. only modified from process context */ NR_VM_NODE_STAT_ITEMS diff -puN mm/migrate.c~mm-rename-nr_anon_pages-to-nr_anon_mapped mm/migrate.c --- a/mm/migrate.c~mm-rename-nr_anon_pages-to-nr_anon_mapped +++ a/mm/migrate.c @@ -501,7 +501,7 @@ int migrate_page_move_mapping(struct add * new page and drop references to the old page. * * Note that anonymous pages are accounted for - * via NR_FILE_PAGES and NR_ANON_PAGES if they + * via NR_FILE_PAGES and NR_ANON_MAPPED if they * are mapped to swap space. */ if (newzone != oldzone) { diff -puN mm/rmap.c~mm-rename-nr_anon_pages-to-nr_anon_mapped mm/rmap.c --- a/mm/rmap.c~mm-rename-nr_anon_pages-to-nr_anon_mapped +++ a/mm/rmap.c @@ -1214,7 +1214,7 @@ void do_page_add_anon_rmap(struct page * */ if (compound) __inc_zone_page_state(page, NR_ANON_THPS); - __mod_node_page_state(page_pgdat(page), NR_ANON_PAGES, nr); + __mod_node_page_state(page_pgdat(page), NR_ANON_MAPPED, nr); } if (unlikely(PageKsm(page))) return; @@ -1258,7 +1258,7 @@ void page_add_new_anon_rmap(struct page /* increment count (starts at -1) */ atomic_set(&page->_mapcount, 0); } - __mod_node_page_state(page_pgdat(page), NR_ANON_PAGES, nr); + __mod_node_page_state(page_pgdat(page), NR_ANON_MAPPED, nr); __page_set_anon_rmap(page, vma, address, 1); } @@ -1375,7 +1375,7 @@ static void page_remove_anon_compound_rm clear_page_mlock(page); if (nr) { - __mod_node_page_state(page_pgdat(page), NR_ANON_PAGES, -nr); + __mod_node_page_state(page_pgdat(page), NR_ANON_MAPPED, -nr); deferred_split_huge_page(page); } } @@ -1404,7 +1404,7 @@ void page_remove_rmap(struct page *page, * these counters are not modified in interrupt context, and * pte lock(a spinlock) is held, which implies preemption disabled. */ - __dec_node_page_state(page, NR_ANON_PAGES); + __dec_node_page_state(page, NR_ANON_MAPPED); if (unlikely(PageMlocked(page))) clear_page_mlock(page); _