Memory size的问题[标题要长]

Duo
1

hi guys, the mm size in OS is not 64M, any issue?

[root@milkv]~# uname -a
Linux milkv 5.10.4-tag- #1 PREEMPT Fri May 19 18:04:26 CST 2023 riscv64 GNU/Linux

[root@milkv]~# cat /proc/meminfo
MemTotal:          29684 kB
MemFree:           13860 kB
MemAvailable:      16500 kB
Buffers:             888 kB
Cached:             2172 kB
SwapCached:            0 kB
Active:             2764 kB
Inactive:            768 kB
Active(anon):         48 kB
Inactive(anon):      484 kB
Active(file):       2716 kB
Inactive(file):      284 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                24 kB
Writeback:             0 kB
AnonPages:           480 kB
Mapped:             1700 kB
Shmem:                64 kB
KReclaimable:       2364 kB
Slab:               6368 kB
SReclaimable:       2364 kB
SUnreclaim:         4004 kB
KernelStack:         864 kB
PageTables:          252 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:       14840 kB
Committed_AS:       2156 kB
VmallocTotal:   67108863 kB
VmallocUsed:        2376 kB
VmallocChunk:          0 kB
Percpu:               32 kB
CmaTotal:              0 kB
CmaFree:               0 kB
2

这是由于一部分RAM被分配绐了 ION，您可以修改这个 ION_SIZE 的值然后重新编译生成固件.

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3

因为有一部分RAM被分配绐了 ION，是在使用摄像头跑算法时需要占用的内存。如果不使用摄像头，您可以修改这个 ION_SIZE 的值为0 然后重新编译生成固件

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