diff options
| -rw-r--r-- | include/linux/mm.h | 13 | ||||
| -rw-r--r-- | lib/show_mem.c | 4 | ||||
| -rw-r--r-- | mm/oom_kill.c | 2 | ||||
| -rw-r--r-- | mm/page_alloc.c | 21 |
4 files changed, 33 insertions, 7 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index eb25cae06c55..e56dd8f7eae1 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1838,7 +1838,11 @@ extern void pagefault_out_of_memory(void); */ #define SHOW_MEM_FILTER_NODES (0x0001u) /* disallowed nodes */ -extern void show_free_areas(unsigned int flags, nodemask_t *nodemask); +extern void __show_free_areas(unsigned int flags, nodemask_t *nodemask, int max_zone_idx); +static void __maybe_unused show_free_areas(unsigned int flags, nodemask_t *nodemask) +{ + __show_free_areas(flags, nodemask, MAX_NR_ZONES - 1); +} #ifdef CONFIG_MMU extern bool can_do_mlock(void); @@ -2578,7 +2582,12 @@ extern void calculate_min_free_kbytes(void); extern int __meminit init_per_zone_wmark_min(void); extern void mem_init(void); extern void __init mmap_init(void); -extern void show_mem(unsigned int flags, nodemask_t *nodemask); + +extern void __show_mem(unsigned int flags, nodemask_t *nodemask, int max_zone_idx); +static inline void show_mem(unsigned int flags, nodemask_t *nodemask) +{ + __show_mem(flags, nodemask, MAX_NR_ZONES - 1); +} extern long si_mem_available(void); extern void si_meminfo(struct sysinfo * val); extern void si_meminfo_node(struct sysinfo *val, int nid); diff --git a/lib/show_mem.c b/lib/show_mem.c index 1c26c14ffbb9..0d7585cde2a6 100644 --- a/lib/show_mem.c +++ b/lib/show_mem.c @@ -8,13 +8,13 @@ #include <linux/mm.h> #include <linux/cma.h> -void show_mem(unsigned int filter, nodemask_t *nodemask) +void __show_mem(unsigned int filter, nodemask_t *nodemask, int max_zone_idx) { pg_data_t *pgdat; unsigned long total = 0, reserved = 0, highmem = 0; printk("Mem-Info:\n"); - show_free_areas(filter, nodemask); + __show_free_areas(filter, nodemask, max_zone_idx); for_each_online_pgdat(pgdat) { int zoneid; diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 35ec75cdfee2..1276e49b31b0 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -461,7 +461,7 @@ static void dump_header(struct oom_control *oc, struct task_struct *p) if (is_memcg_oom(oc)) mem_cgroup_print_oom_meminfo(oc->memcg); else { - show_mem(SHOW_MEM_FILTER_NODES, oc->nodemask); + __show_mem(SHOW_MEM_FILTER_NODES, oc->nodemask, gfp_zone(oc->gfp_mask)); if (should_dump_unreclaim_slab()) dump_unreclaimable_slab(); } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 262896bd1a90..44f3c9364316 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4322,7 +4322,7 @@ static void warn_alloc_show_mem(gfp_t gfp_mask, nodemask_t *nodemask) if (!in_task() || !(gfp_mask & __GFP_DIRECT_RECLAIM)) filter &= ~SHOW_MEM_FILTER_NODES; - show_mem(filter, nodemask); + __show_mem(filter, nodemask, gfp_zone(gfp_mask)); } void warn_alloc(gfp_t gfp_mask, nodemask_t *nodemask, const char *fmt, ...) @@ -6050,6 +6050,15 @@ static void show_migration_types(unsigned char type) printk(KERN_CONT "(%s) ", tmp); } +static bool node_has_managed_zones(pg_data_t *pgdat, int max_zone_idx) +{ + int zone_idx; + for (zone_idx = 0; zone_idx <= max_zone_idx; zone_idx++) + if (zone_managed_pages(pgdat->node_zones + zone_idx)) + return true; + return false; +} + /* * Show free area list (used inside shift_scroll-lock stuff) * We also calculate the percentage fragmentation. We do this by counting the @@ -6059,7 +6068,7 @@ static void show_migration_types(unsigned char type) * SHOW_MEM_FILTER_NODES: suppress nodes that are not allowed by current's * cpuset. */ -void show_free_areas(unsigned int filter, nodemask_t *nodemask) +void __show_free_areas(unsigned int filter, nodemask_t *nodemask, int max_zone_idx) { unsigned long free_pcp = 0; int cpu, nid; @@ -6067,6 +6076,8 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask) pg_data_t *pgdat; for_each_populated_zone(zone) { + if (zone_idx(zone) > max_zone_idx) + continue; if (show_mem_node_skip(filter, zone_to_nid(zone), nodemask)) continue; @@ -6104,6 +6115,8 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask) for_each_online_pgdat(pgdat) { if (show_mem_node_skip(filter, pgdat->node_id, nodemask)) continue; + if (!node_has_managed_zones(pgdat, max_zone_idx)) + continue; printk("Node %d" " active_anon:%lukB" @@ -6160,6 +6173,8 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask) for_each_populated_zone(zone) { int i; + if (zone_idx(zone) > max_zone_idx) + continue; if (show_mem_node_skip(filter, zone_to_nid(zone), nodemask)) continue; @@ -6221,6 +6236,8 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask) unsigned long nr[MAX_ORDER], flags, total = 0; unsigned char types[MAX_ORDER]; + if (zone_idx(zone) > max_zone_idx) + continue; if (show_mem_node_skip(filter, zone_to_nid(zone), nodemask)) continue; show_node(zone); |