
DirectMap4k:251600 kB
DirectMap2M:5941248 kB
DirectMap1G:130023424 kB
查看cmdline,没有指定大页面.还有运行时的hugepages,目录中只有2M的hugepage条目,没有指定.
# cat /proc/cmdline BOOT_IMAGE=/vmlinuz-3.11.0-26-generic root=UUID=7e5b93c9-ace5-4a9d-8623-c6718a2d720a ro console=ttyS0,9600 console=tty0 rootdelay=90 nomodes_hugepages 3:~# cat /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr 0 ^C_hugepages 3:~# cat /sys/devices/system/node/node1/hugepages/hugepages-2048kB/nr 0# free -k total used free shared buffers cachedMem: 131911116 43668088 88243028 0 202272 2004796-/+ buffers/cache: 41461020 90450096Swap: 3999740 0 3999740# cat /proc/meminfo MemTotal: 131911116 kBMemFree: 87704076 kBBuffers: 202272 kBCached: 2004444 kBSwapCached: 0 kBActive: 38864132 kBInactive: 1784416 kBActive(anon): 38441104 kBInactive(anon): 7924 kBActive(file): 423028 kBInactive(file): 1776492 kBUnevictable: 8384 kBmlocked: 8384 kBSwapTotal: 3999740 kBSwapFree: 3999740 kBDirty: 120 kBWriteback: 0 kBAnonPages: 38450956 kBMapped: 29576 kBShmem: 760 kBSlab: 1441772 kBSReclaimable: 184536 kBSUnreclaim: 1257236 kBKernelStack: 11632 kBPagetables: 146568 kBNFS_Unstable: 0 kBBounce: 0 kBWritebackTmp: 0 kBCommitlimit: 69955296 kBCommitted_AS: 81453204 kBVmallocTotal: 34359738367 kBVmallocUsed: 721460 kBVmallocChunk: 34291709228 kBHarDWareCorrupted: 0 kBAnonHugePages: 5980160 kBHugePages_Total: 0HugePages_Free: 0HugePages_Rsvd: 0HugePages_Surp: 0Hugepagesize: 2048 kBDirectMap4k: 251600 kBDirectMap2M: 5941248 kB**DirectMap1G: 130023424 kB**@H_404_4@解决方法 如果支持和使用,它计算映射为4KB页面,2MB / 4MB页面和1GB页面的页面数.如果/ proc / sys / vm / nr_hugepages设置为0(没有hugepages参数启动内核),它没有任何影响:
cat /proc/sys/vm/nr_hugepages0
有关详细信息,请参见what does mean by HardwareCorrupted,DirectMap4k,DirectMap2M fields in “/proc/meminfo” file of Linux?.
@H_404_4@ @H_404_4@ @H_404_4@ @H_404_4@ 总结以上是内存溢出为你收集整理的linux – DirectMap1G显示有线数字庞大全部内容,希望文章能够帮你解决linux – DirectMap1G显示有线数字庞大所遇到的程序开发问题。
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