mm: enum lru_list lru
authorHugh Dickins <hughd@google.com>
Fri, 13 Jan 2012 01:20:01 +0000 (17:20 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 13 Jan 2012 04:13:10 +0000 (20:13 -0800)
Mostly we use "enum lru_list lru": change those few "l"s to "lru"s.

Signed-off-by: Hugh Dickins <hughd@google.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/mm_inline.h
include/linux/mmzone.h
mm/page_alloc.c
mm/vmscan.c

index 4e3478e719260fb6f90279334bfb6cde045830a8..8f84d2e53d0ffd5038c8b291306476c603a28b19 100644 (file)
@@ -22,21 +22,21 @@ static inline int page_is_file_cache(struct page *page)
 }
 
 static inline void
-add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list l)
+add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list lru)
 {
        struct lruvec *lruvec;
 
-       lruvec = mem_cgroup_lru_add_list(zone, page, l);
-       list_add(&page->lru, &lruvec->lists[l]);
-       __mod_zone_page_state(zone, NR_LRU_BASE + l, hpage_nr_pages(page));
+       lruvec = mem_cgroup_lru_add_list(zone, page, lru);
+       list_add(&page->lru, &lruvec->lists[lru]);
+       __mod_zone_page_state(zone, NR_LRU_BASE + lru, hpage_nr_pages(page));
 }
 
 static inline void
-del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list l)
+del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list lru)
 {
-       mem_cgroup_lru_del_list(page, l);
+       mem_cgroup_lru_del_list(page, lru);
        list_del(&page->lru);
-       __mod_zone_page_state(zone, NR_LRU_BASE + l, -hpage_nr_pages(page));
+       __mod_zone_page_state(zone, NR_LRU_BASE + lru, -hpage_nr_pages(page));
 }
 
 /**
@@ -57,21 +57,21 @@ static inline enum lru_list page_lru_base_type(struct page *page)
 static inline void
 del_page_from_lru(struct zone *zone, struct page *page)
 {
-       enum lru_list l;
+       enum lru_list lru;
 
        if (PageUnevictable(page)) {
                __ClearPageUnevictable(page);
-               l = LRU_UNEVICTABLE;
+               lru = LRU_UNEVICTABLE;
        } else {
-               l = page_lru_base_type(page);
+               lru = page_lru_base_type(page);
                if (PageActive(page)) {
                        __ClearPageActive(page);
-                       l += LRU_ACTIVE;
+                       lru += LRU_ACTIVE;
                }
        }
-       mem_cgroup_lru_del_list(page, l);
+       mem_cgroup_lru_del_list(page, lru);
        list_del(&page->lru);
-       __mod_zone_page_state(zone, NR_LRU_BASE + l, -hpage_nr_pages(page));
+       __mod_zone_page_state(zone, NR_LRU_BASE + lru, -hpage_nr_pages(page));
 }
 
 /**
index 2038b90ca6e305b420656d912943d4739c8a265b..650ba2fb3301af5975fa1b027ebdb008cf573e61 100644 (file)
@@ -140,23 +140,23 @@ enum lru_list {
        NR_LRU_LISTS
 };
 
-#define for_each_lru(l) for (l = 0; l < NR_LRU_LISTS; l++)
+#define for_each_lru(lru) for (lru = 0; lru < NR_LRU_LISTS; lru++)
 
-#define for_each_evictable_lru(l) for (l = 0; l <= LRU_ACTIVE_FILE; l++)
+#define for_each_evictable_lru(lru) for (lru = 0; lru <= LRU_ACTIVE_FILE; lru++)
 
-static inline int is_file_lru(enum lru_list l)
+static inline int is_file_lru(enum lru_list lru)
 {
-       return (l == LRU_INACTIVE_FILE || l == LRU_ACTIVE_FILE);
+       return (lru == LRU_INACTIVE_FILE || lru == LRU_ACTIVE_FILE);
 }
 
-static inline int is_active_lru(enum lru_list l)
+static inline int is_active_lru(enum lru_list lru)
 {
-       return (l == LRU_ACTIVE_ANON || l == LRU_ACTIVE_FILE);
+       return (lru == LRU_ACTIVE_ANON || lru == LRU_ACTIVE_FILE);
 }
 
-static inline int is_unevictable_lru(enum lru_list l)
+static inline int is_unevictable_lru(enum lru_list lru)
 {
-       return (l == LRU_UNEVICTABLE);
+       return (lru == LRU_UNEVICTABLE);
 }
 
 struct lruvec {
index cb5723c491f05d67a37230c73a17090326fc2dbb..0027d8f4a1bb8b1423f42e4d52cb3547debc315f 100644 (file)
@@ -4262,7 +4262,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
        for (j = 0; j < MAX_NR_ZONES; j++) {
                struct zone *zone = pgdat->node_zones + j;
                unsigned long size, realsize, memmap_pages;
-               enum lru_list l;
+               enum lru_list lru;
 
                size = zone_spanned_pages_in_node(nid, j, zones_size);
                realsize = size - zone_absent_pages_in_node(nid, j,
@@ -4312,8 +4312,8 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
                zone->zone_pgdat = pgdat;
 
                zone_pcp_init(zone);
-               for_each_lru(l)
-                       INIT_LIST_HEAD(&zone->lruvec.lists[l]);
+               for_each_lru(lru)
+                       INIT_LIST_HEAD(&zone->lruvec.lists[lru]);
                zone->reclaim_stat.recent_rotated[0] = 0;
                zone->reclaim_stat.recent_rotated[1] = 0;
                zone->reclaim_stat.recent_scanned[0] = 0;
index 7724fb8e7498c119763982fcd1317405cbeb47af..01466bf783fd7262198dbaea98df0892fc0f2c45 100644 (file)
@@ -1920,7 +1920,7 @@ static void get_scan_count(struct mem_cgroup_zone *mz, struct scan_control *sc,
        unsigned long ap, fp;
        struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(mz);
        u64 fraction[2], denominator;
-       enum lru_list l;
+       enum lru_list lru;
        int noswap = 0;
        bool force_scan = false;
 
@@ -2010,18 +2010,18 @@ static void get_scan_count(struct mem_cgroup_zone *mz, struct scan_control *sc,
        fraction[1] = fp;
        denominator = ap + fp + 1;
 out:
-       for_each_evictable_lru(l) {
-               int file = is_file_lru(l);
+       for_each_evictable_lru(lru) {
+               int file = is_file_lru(lru);
                unsigned long scan;
 
-               scan = zone_nr_lru_pages(mz, l);
+               scan = zone_nr_lru_pages(mz, lru);
                if (priority || noswap) {
                        scan >>= priority;
                        if (!scan && force_scan)
                                scan = SWAP_CLUSTER_MAX;
                        scan = div64_u64(scan * fraction[file], denominator);
                }
-               nr[l] = scan;
+               nr[lru] = scan;
        }
 }
 
@@ -2097,7 +2097,7 @@ static void shrink_mem_cgroup_zone(int priority, struct mem_cgroup_zone *mz,
 {
        unsigned long nr[NR_LRU_LISTS];
        unsigned long nr_to_scan;
-       enum lru_list l;
+       enum lru_list lru;
        unsigned long nr_reclaimed, nr_scanned;
        unsigned long nr_to_reclaim = sc->nr_to_reclaim;
        struct blk_plug plug;
@@ -2110,13 +2110,13 @@ restart:
        blk_start_plug(&plug);
        while (nr[LRU_INACTIVE_ANON] || nr[LRU_ACTIVE_FILE] ||
                                        nr[LRU_INACTIVE_FILE]) {
-               for_each_evictable_lru(l) {
-                       if (nr[l]) {
+               for_each_evictable_lru(lru) {
+                       if (nr[lru]) {
                                nr_to_scan = min_t(unsigned long,
-                                                  nr[l], SWAP_CLUSTER_MAX);
-                               nr[l] -= nr_to_scan;
+                                                  nr[lru], SWAP_CLUSTER_MAX);
+                               nr[lru] -= nr_to_scan;
 
-                               nr_reclaimed += shrink_list(l, nr_to_scan,
+                               nr_reclaimed += shrink_list(lru, nr_to_scan,
                                                            mz, sc, priority);
                        }
                }