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Commit 7c83cc91 authored by Artem Bityutskiy's avatar Artem Bityutskiy
Browse files

UBIFS: save 128KiB or more RAM



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: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
parent f5cf319c
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+0 −9
Original line number Original line Diff line number Diff line
@@ -2701,16 +2701,8 @@ int ubifs_debugging_init(struct ubifs_info *c)
	if (!c->dbg)
	if (!c->dbg)
		return -ENOMEM;
		return -ENOMEM;


	c->dbg->buf = vmalloc(c->leb_size);
	if (!c->dbg->buf)
		goto out;

	failure_mode_init(c);
	failure_mode_init(c);
	return 0;
	return 0;

out:
	kfree(c->dbg);
	return -ENOMEM;
}
}


/**
/**
@@ -2720,7 +2712,6 @@ int ubifs_debugging_init(struct ubifs_info *c)
void ubifs_debugging_exit(struct ubifs_info *c)
void ubifs_debugging_exit(struct ubifs_info *c)
{
{
	failure_mode_exit(c);
	failure_mode_exit(c);
	vfree(c->dbg->buf);
	kfree(c->dbg);
	kfree(c->dbg);
}
}


+0 −2
Original line number Original line Diff line number Diff line
@@ -27,7 +27,6 @@


/**
/**
 * ubifs_debug_info - per-FS debugging information.
 * 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: old index root - used by 'dbg_check_old_index()'
 * @old_zroot_level: old index root level - 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()'
 * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()'
@@ -54,7 +53,6 @@
 * dfs_dump_tnc: "dump TNC" debugfs knob
 * dfs_dump_tnc: "dump TNC" debugfs knob
 */
 */
struct ubifs_debug_info {
struct ubifs_debug_info {
	void *buf;
	struct ubifs_zbranch old_zroot;
	struct ubifs_zbranch old_zroot;
	int old_zroot_level;
	int old_zroot_level;
	unsigned long long old_zroot_sqnum;
	unsigned long long old_zroot_sqnum;