diff options
| -rw-r--r-- | include/linux/mmzone.h | 3 | ||||
| -rw-r--r-- | mm/page_alloc.c | 14 | ||||
| -rw-r--r-- | mm/page_owner.c | 24 | ||||
| -rw-r--r-- | mm/vmstat.c | 13 |
4 files changed, 24 insertions, 30 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 9d1161a8d6b7..2b1be7efde55 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -71,6 +71,9 @@ enum { */ extern int *get_migratetype_fallbacks(int mtype); +/* In mm/page_alloc.c; keep in sync also with show_migration_types() there */ +extern char * const migratetype_names[MIGRATE_TYPES]; + #ifdef CONFIG_CMA bool is_cma_pageblock(struct page *page); # define is_migrate_cma(migratetype) unlikely((migratetype) == MIGRATE_CMA) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 4fbb23c1cba7..ed4ae021fb3c 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -223,6 +223,20 @@ static char * const zone_names[MAX_NR_ZONES] = { }; static void free_compound_page(struct page *page); + +char * const migratetype_names[MIGRATE_TYPES] = { + "Unmovable", + "Movable", + "Reclaimable", +#ifdef CONFIG_CMA + "CMA", +#endif + "HighAtomic", +#ifdef CONFIG_MEMORY_ISOLATION + "Isolate", +#endif +}; + compound_page_dtor * const compound_page_dtors[] = { NULL, free_compound_page, diff --git a/mm/page_owner.c b/mm/page_owner.c index 45cccaa1ce32..23dcb2252c13 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -104,8 +104,9 @@ print_page_owner(char __user *buf, size_t count, unsigned long pfn, return -ENOMEM; ret = snprintf(kbuf, count, - "Page allocated via order %u, mask 0x%x\n", - page_ext->order, page_ext->gfp_mask); + "Page allocated via order %u, mask %#x(%pGg)\n", + page_ext->order, page_ext->gfp_mask, + &page_ext->gfp_mask); if (ret >= count) goto err; @@ -114,23 +115,12 @@ print_page_owner(char __user *buf, size_t count, unsigned long pfn, pageblock_mt = get_pfnblock_migratetype(page, pfn); page_mt = gfpflags_to_migratetype(page_ext->gfp_mask); ret += snprintf(kbuf + ret, count - ret, - "PFN %lu Block %lu type %d %s Flags %s%s%s%s%s%s%s%s%s%s%s%s\n", + "PFN %lu type %s Block %lu type %s Flags %#lx(%pGp)\n", pfn, + migratetype_names[page_mt], pfn >> pageblock_order, - pageblock_mt, - pageblock_mt != page_mt ? "Fallback" : " ", - PageLocked(page) ? "K" : " ", - PageError(page) ? "E" : " ", - PageReferenced(page) ? "R" : " ", - PageUptodate(page) ? "U" : " ", - PageDirty(page) ? "D" : " ", - PageLRU(page) ? "L" : " ", - PageActive(page) ? "A" : " ", - PageSlab(page) ? "S" : " ", - PageWriteback(page) ? "W" : " ", - PageCompound(page) ? "C" : " ", - PageSwapCache(page) ? "B" : " ", - PageMappedToDisk(page) ? "M" : " "); + migratetype_names[pageblock_mt], + page->flags, &page->flags); if (ret >= count) goto err; diff --git a/mm/vmstat.c b/mm/vmstat.c index d6b4817c4416..068ab4d2c776 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -927,19 +927,6 @@ static void walk_zones_in_node(struct seq_file *m, pg_data_t *pgdat, #endif #ifdef CONFIG_PROC_FS -static char * const migratetype_names[MIGRATE_TYPES] = { - "Unmovable", - "Movable", - "Reclaimable", -#ifdef CONFIG_CMA - "CMA", -#endif - "HighAtomic", -#ifdef CONFIG_MEMORY_ISOLATION - "Isolate", -#endif -}; - static void frag_show_print(struct seq_file *m, pg_data_t *pgdat, struct zone *zone) { |