다음 meminfo를 캡처했습니다.
태블릿이 4GB 정도만 출시됐는데 어떻게 여유 메모리가 8GB에서 거의 25GB로 늘어났는지 이해가 안 된다. meminfo 출력을 가져올 때 프로세스 메모리 소비에는 변화가 없습니다.
8GB의 여유 메모리가 있는 첫 번째 meminfo:
MemTotal: 66054256 kB
MemFree: 8344960 kB
Buffers: 1120 kB
Cached: 30172312 kB
SwapCached: 0 kB
Active: 10795428 kB
Inactive: 1914512 kB
Active(anon): 10193124 kB
Inactive(anon): 1441288 kB
Active(file): 602304 kB
Inactive(file): 473224 kB
Unevictable: 26348912 kB
Mlocked: 26348960 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 8886304 kB
Mapped: 26383052 kB
Shmem: 29097904 kB
Slab: 6006384 kB
SReclaimable: 3512404 kB
SUnreclaim: 2493980 kB
KernelStack: 15240 kB
PageTables: 78724 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 33027128 kB
Committed_AS: 44446908 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 426656 kB
VmallocChunk: 34325375716 kB
HardwareCorrupted: 0 kB
AnonHugePages: 7696384 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 6144 kB
DirectMap2M: 2058240 kB
DirectMap1G: 65011712 kB
두 번째 메모리 캡처, 남은 메모리는 25GB에 가깝습니다.
MemTotal: 66054256 kB
MemFree: 24949116 kB
Buffers: 1120 kB
Cached: 29085016 kB
SwapCached: 0 kB
Active: 10168904 kB
Inactive: 1461156 kB
Active(anon): 10168216 kB
Inactive(anon): 1441956 kB
Active(file): 688 kB
Inactive(file): 19200 kB
Unevictable: 26317328 kB
Mlocked: 26317376 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 8861224 kB
Mapped: 26351488 kB
Shmem: 29066248 kB
Slab: 1503440 kB
SReclaimable: 232880 kB
SUnreclaim: 1270560 kB
KernelStack: 15256 kB
PageTables: 79664 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 33027128 kB
Committed_AS: 44418280 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 426656 kB
VmallocChunk: 34325375716 kB
HardwareCorrupted: 0 kB
AnonHugePages: 7665664 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 6144 kB
DirectMap2M: 2058240 kB
DirectMap1G: 65011712 kB