Flint RAM only 384MB?

After checking with “free” command under CLI, Flint only has 384MB memory instead of the Specs stated “512MB” ?


My Brume-W is as specs stated has 1GB memory:

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write top in cli and paste here screenshot



Gl-iNet team why Flint have 384 mb ram only???

I also confirm that my just arrived Flint unit has 394MB of RAM and not 512 as per spec :frowning:


My two Flint’s in Moscow, now they are going to my city, delivery date is 18.10.2021. And i’m will see how many memory in my routers.

Is it normal, that OpenWrt is in version 15? I suspected it will be on 21

The chipset reserved some memory for purpose. So there is 394 left.

@alzhao, sorry, but is this a truth? Can you give us some technical documentation about this?

This is the truth. I will try to find some tech documents.

Someone else mentioned this in another thread:

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Reserved for what? I’m never heard about that. Only hear about reserve ram for video adapter.

Also only have 394Mb

root@GL-AX1800:~# cat /proc/meminfo
MemTotal:         394216 kB
MemFree:          121680 kB
MemAvailable:     197324 kB
Buffers:           15744 kB
Cached:            60852 kB
SwapCached:            0 kB
Active:            62256 kB
Inactive:          28628 kB
Active(anon):      15448 kB
Inactive(anon):      304 kB
Active(file):      46808 kB
Inactive(file):    28324 kB
Unevictable:           0 kB
Mlocked:               0 kB
HighTotal:             0 kB
HighFree:              0 kB
LowTotal:         394216 kB
LowFree:          121680 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:         14352 kB
Mapped:            11164 kB
Shmem:              1464 kB
Slab:             130676 kB
SReclaimable:      10676 kB
SUnreclaim:       120000 kB
KernelStack:        1304 kB
PageTables:          752 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:      197108 kB
Committed_AS:      23936 kB
VmallocTotal:    1572864 kB
VmallocUsed:           0 kB
VmallocChunk:          0 kB
CmaTotal:              0 kB
CmaFree:               0 kB

It is reserved for wifi firmware.

Flint reserved approximately 128 mb ram for the hardware as it needs memory to load the FW and run its thing, WLAN is run on a separate processor Q6 that runs its own FW.

So can we get 512mb if turn off wifi ? Some times you let it run as a main router or vpn server without wifi

I don’t think it can be done in current firmware because the RAM is not managed by the Linux. It could be achieved if compile new firmware but this is only a guess.

so, can I guess that, when wifi 6 support on openwrt becomes mature, then flint with a new firmware may not need a seperate firmware (and set aside ram) to run the wifi ?

i wonder how did xiaomi make their wifi 6 work, their ax routers are based on openwrt too right ?

You are totally correct.

I think everyone use Qualcomm SDK. But I cannot confirm.


@alzhao Qualcomm have plans to update sdk?