openwrt/target.mk at 419218af13b4c036b3f27e450855727005b8d141 - openwrt - Gitea

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Nick Hainke f579b8538b ath79: add low_mem to tiny image

Devices with SMALL_FLASH enabled have "SQUASHFS_BLOCK_SIZE=1024" in
their config. This significantly increases the cache memory required by
squashfs [0]. This commit enables low_mem leading to a much better
performance because the SQUASHFS_BLOCK_SIZE is reduced to 256.

Example Nanostation M5 (XM):
The image size increases by 128 KiB. However, the memory statisitcs look
much better:

Default tiny build:
------
MemTotal:          26020 kB
MemFree:            5648 kB
MemAvailable:       6112 kB
Buffers:               0 kB
Cached:             3044 kB

low_mem enabled:
-----
MemTotal:          26976 kB
MemFree:            6748 kB
MemAvailable:      11504 kB
Buffers:               0 kB
Cached:             7204 kB

[0] - 7e8af99cf5

Signed-off-by: Nick Hainke <vincent@systemli.org>
(cherry picked from commit f54ac98f8c)

2022-10-05 21:50:01 +02:00

9 lines

227 B

Makefile

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 BOARDNAME:=Devices with small flash
 FEATURES += low_mem small_flash
 DEFAULT_PACKAGES += wpad-basic-wolfssl
 define Target/Description
 	Build firmware images for Atheros AR71xx/AR913x/AR934x based boards with small flash
 endef