From patchwork Mon Mar 14 14:46:12 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [6/6] UBIFS: save 128KiB or more RAM From: Artem Bityutskiy X-Patchwork-Id: 86761 Message-Id: <1300113972-4507-7-git-send-email-dedekind1@gmail.com> To: Adrian Hunter Cc: MTD list Date: Mon, 14 Mar 2011 16:46:12 +0200 From: Artem Bityutskiy When debugging is enabled, we allocate a buffer of PEB size for various debugging purposes. However, now all users of this buffer are gone and we can safely remove it and save 128KiB or more RAM. Signed-off-by: Artem Bityutskiy --- fs/ubifs/debug.c | 9 --------- fs/ubifs/debug.h | 2 -- 2 files changed, 0 insertions(+), 11 deletions(-) diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index c2e5c08..01c2b02 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -2701,16 +2701,8 @@ int ubifs_debugging_init(struct ubifs_info *c) if (!c->dbg) return -ENOMEM; - c->dbg->buf = vmalloc(c->leb_size); - if (!c->dbg->buf) - goto out; - failure_mode_init(c); return 0; - -out: - kfree(c->dbg); - return -ENOMEM; } /** @@ -2720,7 +2712,6 @@ out: void ubifs_debugging_exit(struct ubifs_info *c) { failure_mode_exit(c); - vfree(c->dbg->buf); kfree(c->dbg); } diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h index 10190c1..4efbba7 100644 --- a/fs/ubifs/debug.h +++ b/fs/ubifs/debug.h @@ -27,7 +27,6 @@ /** * ubifs_debug_info - per-FS debugging information. - * @buf: a buffer of LEB size, used for various purposes * @old_zroot: old index root - used by 'dbg_check_old_index()' * @old_zroot_level: old index root level - used by 'dbg_check_old_index()' * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()' @@ -54,7 +53,6 @@ * dfs_dump_tnc: "dump TNC" debugfs knob */ struct ubifs_debug_info { - void *buf; struct ubifs_zbranch old_zroot; int old_zroot_level; unsigned long long old_zroot_sqnum;