diff options
Diffstat (limited to 'mm/zsmalloc.c')
| -rw-r--r-- | mm/zsmalloc.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 2d7c4c11fc63..e72efb109fde 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -281,7 +281,6 @@ struct mapping_area { #endif char *vm_addr; /* address of kmap_atomic()'ed pages */ enum zs_mapmode vm_mm; /* mapping mode */ - bool huge; }; static int create_handle_cache(struct zs_pool *pool) @@ -495,6 +494,8 @@ static void __exit zs_stat_exit(void) debugfs_remove_recursive(zs_stat_root); } +static unsigned long zs_can_compact(struct size_class *class); + static int zs_stats_size_show(struct seq_file *s, void *v) { int i; @@ -502,14 +503,15 @@ static int zs_stats_size_show(struct seq_file *s, void *v) struct size_class *class; int objs_per_zspage; unsigned long class_almost_full, class_almost_empty; - unsigned long obj_allocated, obj_used, pages_used; + unsigned long obj_allocated, obj_used, pages_used, freeable; unsigned long total_class_almost_full = 0, total_class_almost_empty = 0; unsigned long total_objs = 0, total_used_objs = 0, total_pages = 0; + unsigned long total_freeable = 0; - seq_printf(s, " %5s %5s %11s %12s %13s %10s %10s %16s\n", + seq_printf(s, " %5s %5s %11s %12s %13s %10s %10s %16s %8s\n", "class", "size", "almost_full", "almost_empty", "obj_allocated", "obj_used", "pages_used", - "pages_per_zspage"); + "pages_per_zspage", "freeable"); for (i = 0; i < zs_size_classes; i++) { class = pool->size_class[i]; @@ -522,6 +524,7 @@ static int zs_stats_size_show(struct seq_file *s, void *v) class_almost_empty = zs_stat_get(class, CLASS_ALMOST_EMPTY); obj_allocated = zs_stat_get(class, OBJ_ALLOCATED); obj_used = zs_stat_get(class, OBJ_USED); + freeable = zs_can_compact(class); spin_unlock(&class->lock); objs_per_zspage = get_maxobj_per_zspage(class->size, @@ -529,23 +532,25 @@ static int zs_stats_size_show(struct seq_file *s, void *v) pages_used = obj_allocated / objs_per_zspage * class->pages_per_zspage; - seq_printf(s, " %5u %5u %11lu %12lu %13lu %10lu %10lu %16d\n", + seq_printf(s, " %5u %5u %11lu %12lu %13lu" + " %10lu %10lu %16d %8lu\n", i, class->size, class_almost_full, class_almost_empty, obj_allocated, obj_used, pages_used, - class->pages_per_zspage); + class->pages_per_zspage, freeable); total_class_almost_full += class_almost_full; total_class_almost_empty += class_almost_empty; total_objs += obj_allocated; total_used_objs += obj_used; total_pages += pages_used; + total_freeable += freeable; } seq_puts(s, "\n"); - seq_printf(s, " %5s %5s %11lu %12lu %13lu %10lu %10lu\n", + seq_printf(s, " %5s %5s %11lu %12lu %13lu %10lu %10lu %16s %8lu\n", "Total", "", total_class_almost_full, total_class_almost_empty, total_objs, - total_used_objs, total_pages); + total_used_objs, total_pages, "", total_freeable); return 0; } @@ -1127,11 +1132,9 @@ static void __zs_unmap_object(struct mapping_area *area, goto out; buf = area->vm_buf; - if (!area->huge) { - buf = buf + ZS_HANDLE_SIZE; - size -= ZS_HANDLE_SIZE; - off += ZS_HANDLE_SIZE; - } + buf = buf + ZS_HANDLE_SIZE; + size -= ZS_HANDLE_SIZE; + off += ZS_HANDLE_SIZE; sizes[0] = PAGE_SIZE - off; sizes[1] = size - sizes[0]; |