From ed0173733dd468883198c3136284394320b8fad6 Mon Sep 17 00:00:00 2001 From: Yu Zhao Date: Thu, 15 Oct 2020 20:09:55 -0700 Subject: mm: use self-explanatory macros rather than "2" Signed-off-by: Yu Zhao Signed-off-by: Andrew Morton Cc: Alex Shi Link: http://lkml.kernel.org/r/20200831175042.3527153-2-yuzhao@google.com Signed-off-by: Linus Torvalds --- include/linux/mmzone.h | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'include/linux/mmzone.h') diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index c27fb1faffe5..7e0ea3fe95ca 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -266,6 +266,8 @@ static inline bool is_active_lru(enum lru_list lru) return (lru == LRU_ACTIVE_ANON || lru == LRU_ACTIVE_FILE); } +#define ANON_AND_FILE 2 + enum lruvec_flags { LRUVEC_CONGESTED, /* lruvec has many dirty pages * backed by a congested BDI @@ -283,8 +285,8 @@ struct lruvec { unsigned long file_cost; /* Non-resident age, driven by LRU movement */ atomic_long_t nonresident_age; - /* Refaults at the time of last reclaim cycle, anon=0, file=1 */ - unsigned long refaults[2]; + /* Refaults at the time of last reclaim cycle */ + unsigned long refaults[ANON_AND_FILE]; /* Various lruvec state flags (enum lruvec_flags) */ unsigned long flags; #ifdef CONFIG_MEMCG @@ -441,6 +443,8 @@ enum zone_type { #ifndef __GENERATING_BOUNDS_H +#define ASYNC_AND_SYNC 2 + struct zone { /* Read-mostly fields */ @@ -560,8 +564,8 @@ struct zone { #if defined CONFIG_COMPACTION || defined CONFIG_CMA /* pfn where compaction free scanner should start */ unsigned long compact_cached_free_pfn; - /* pfn where async and sync compaction migration scanner should start */ - unsigned long compact_cached_migrate_pfn[2]; + /* pfn where compaction migration scanner should start */ + unsigned long compact_cached_migrate_pfn[ASYNC_AND_SYNC]; unsigned long compact_init_migrate_pfn; unsigned long compact_init_free_pfn; #endif -- cgit v1.2.3 From 1f0f8c0de09066d23760c1f5fac2cd53b32f1127 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Thu, 15 Oct 2020 20:10:11 -0700 Subject: include/linux/mmzone.h: remove unused early_pfn_valid() The early_pfn_valid() macro is defined but it is never used. Remove it. Signed-off-by: Mike Rapoport Signed-off-by: Andrew Morton Acked-by: David Hildenbrand Link: https://lkml.kernel.org/r/20200923162915.26935-1-rppt@kernel.org Signed-off-by: Linus Torvalds --- include/linux/mmzone.h | 5 ----- 1 file changed, 5 deletions(-) (limited to 'include/linux/mmzone.h') diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 7e0ea3fe95ca..fb3bf696c05e 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -1420,7 +1420,6 @@ static inline unsigned long next_present_section_nr(unsigned long section_nr) #define pfn_to_nid(pfn) (0) #endif -#define early_pfn_valid(pfn) pfn_valid(pfn) void sparse_init(void); #else #define sparse_init() do {} while (0) @@ -1440,10 +1439,6 @@ struct mminit_pfnnid_cache { int last_nid; }; -#ifndef early_pfn_valid -#define early_pfn_valid(pfn) (1) -#endif - /* * If it is possible to have holes within a MAX_ORDER_NR_PAGES, then we * need to check pfn validity within that MAX_ORDER_NR_PAGES block. -- cgit v1.2.3