红帽全球峰会40.5. 在运行时配置 HugeTLB
这个步骤描述了如何在 node2 中添加 20 个 2048 kB 巨页。
要根据您的要求保留页面，请替换：
- 20，使用您要保留的巨页数，
- 2048kB，使用巨页的大小，
- node2，使用您要保留页面的节点。
流程
显示内存统计信息：
Copy to Clipboard Copied! Toggle word wrap Toggle overflow 将指定大小的巨页数量添加到节点：
echo 20 > /sys/devices/system/node/node2/hugepages/hugepages-2048kB/nr_hugepages
# echo 20 > /sys/devices/system/node/node2/hugepages/hugepages-2048kB/nr_hugepagesCopy to Clipboard Copied! Toggle word wrap Toggle overflow
验证
确保添加了巨页数量：
Copy to Clipboard Copied! Toggle word wrap Toggle overflow
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