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Swap partition not working

Hello! I think my swap partition is not enabled. I did some search in DuckDuckGo to understand how to enable it but I'm not confident with the process because I don't know for sure if the information I read applies to my case. How do I make the swap partition works? I'm using Fedora 29. Thank you in advance.

Here is some log info:

[username@localhost ~]$ free
              total        used        free      shared  buff/cache   available
Mem:        7602764     3475196      895188      528888     3232380     3328988
Swap:             0           0           0
[username@localhost ~]$ systemctl status
‚óŹ - Swap
   Loaded: loaded (/usr/lib/systemd/system/; static; vendor preset: >
   Active: active since Mon 2019-02-25 06:31:54 -03; 8h ago
     Docs: man:systemd.special(7)

Warning: Journal has been rotated since unit was started. Log output is incompl>

[username@localhost ~]$ blkid
[username@localhost ~]$ su
[root@localhost username]# blkid
/dev/sda1: LABEL="Disco 2 Win7" UUID="3ADCD220DCD1D66B" TYPE="ntfs" PARTUUID="7eec331b-01"
/dev/sdb1: PARTLABEL="Microsoft reserved partition" PARTUUID="b5ee2e24-8bb9-4108-ae62-5cf26077a53e"
/dev/sdb2: LABEL="Disco 3" UUID="EEB04854B0482605" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="f9ae43b5-7dcc-42dd-9bd3-f71a1b83a3c8"
/dev/sdb4: SEC_TYPE="msdos" UUID="215F-1F70" TYPE="vfat" PARTLABEL="EFI System Partition" PARTUUID="30025d5a-7534-4a42-9748-457ebc262b05"
/dev/sdb5: UUID="09e324ac-ea07-424d-9508-45f37f089b75" TYPE="ext4" PARTUUID="d6420cee-788a-406d-88cb-cf052ff38d6a"
/dev/sdb6: UUID="ttayx8-fqkl-hxFf-T327-Vfo5-VwPE-zoiKRZ" TYPE="LVM2_member" PARTUUID="eab766b1-f597-47dc-9e59-a05fb3fad35e"
/dev/mapper/fedora-root: LABEL="fedora-root" UUID="38dffae5-42ef-45c4-a6bd-7507427c4bd2" TYPE="ext4"
/dev/mapper/fedora-swap: UUID="1e9bbf5d-da7b-401f-8999-085acf39ad61" TYPE="swap"
/dev/mapper/fedora-home: UUID="e3226ce9-2707-48a1-b1a4-c0e47077adbf" TYPE="ext4"
[root@localhost username]# cat /etc/fstab

# /etc/fstab
# Created by anaconda on Sun Dec 23 18:22:43 2018
# Accessible filesystems, by reference, are maintained under '/dev/disk/'.
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info.
# After editing this file, run 'systemctl daemon-reload' to update systemd
# units generated from this file.
/dev/mapper/fedora-root /                       ext4    defaults        1 1
UUID=09e324ac-ea07-424d-9508-45f37f089b75 /boot                   ext4    defaults        1 2
UUID=215F-1F70          /boot/efi               vfat    umask=0077,shortname=winnt 0 2
/dev/mapper/fedora-home /home                   ext4    defaults        1 2