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虚拟机版本:Vmware Workstation 6.5.2 build 156735
LINUX版本:Fedora Core 9 内核2.6.25-14.fc9.i686
虚拟机设置(截图不知道怎么发 ) 我有1G的物理内存,分配给虚拟机的内存是512M。
开机后,Linux下的内存情况如下:
[root@tlh ~]# cat /proc/meminfo
MemTotal: 515064 kB
MemFree: 259880 kB
Buffers: 8984 kB
Cached: 140816 kB
SwapCached: 0 kB
Active: 129248 kB
Inactive: 106460 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 515064 kB
LowFree: 259880 kB
SwapTotal: 522104 kB
SwapFree: 522104 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 85916 kB
Mapped: 40624 kB
Slab: 10644 kB
SReclaimable: 4756 kB
SUnreclaim: 5888 kB
PageTables: 3340 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 779636 kB
Committed_AS: 325628 kB
VmallocTotal: 503800 kB
VmallocUsed: 2448 kB
VmallocChunk: 501016 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 4096 kB
为什么高端内存会为0? 而在模块中用alloc_pages(GFP_KERNEL|__GFP_HIGHMEM, order)去申请高端内存时,并没有fail,用的是低端内存。 |
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