From 9066c6a7eb5492dda0ccd48bb78be52feff9043c Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Sat, 10 Jan 2015 20:09:52 +0800 Subject: [PATCH] f2fs: fix wrong memory footprint statistics in debugfs Our value of memory footprint statistics showed in debugfs is not calculated correctly. Fix it in this patch. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/debug.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 1f0fb58072e7..b45daab97f0b 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -163,13 +163,20 @@ static void update_mem_info(struct f2fs_sb_info *sbi) si->base_mem += sizeof(struct f2fs_nm_info); si->base_mem += __bitmap_size(sbi, NAT_BITMAP); +get_cache: + si->cache_mem = 0; + /* build gc */ - si->base_mem += sizeof(struct f2fs_gc_kthread); + if (sbi->gc_thread) + si->cache_mem += sizeof(struct f2fs_gc_kthread); + + /* build merge flush thread */ + if (SM_I(sbi)->cmd_control_info) + si->cache_mem += sizeof(struct flush_cmd_control); -get_cache: /* free nids */ - si->cache_mem = NM_I(sbi)->fcnt; - si->cache_mem += NM_I(sbi)->nat_cnt; + si->cache_mem += NM_I(sbi)->fcnt * sizeof(struct free_nid); + si->cache_mem += NM_I(sbi)->nat_cnt * sizeof(struct nat_entry); npages = NODE_MAPPING(sbi)->nrpages; si->cache_mem += npages << PAGE_CACHE_SHIFT; npages = META_MAPPING(sbi)->nrpages; -- 2.30.2