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47820e73f5
Currently, when a new resource group is created, the allocation values of the MBA resource are not initialized and remain meaningless data. For example: mkdir /sys/fs/resctrl/p1 cat /sys/fs/resctrl/p1/schemata MB:0=100;1=100 echo "MB:0=10;1=20" > /sys/fs/resctrl/p1/schemata cat /sys/fs/resctrl/p1/schemata MB:0= 10;1= 20 rmdir /sys/fs/resctrl/p1 mkdir /sys/fs/resctrl/p2 cat /sys/fs/resctrl/p2/schemata MB:0= 10;1= 20 Therefore, when the new group is created, it is reasonable to initialize MBA resource with default values. Initialize the MBA resource and cache resources in separate functions. [ bp: Add newlines between code blocks for better readability. ] Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Fenghua Yu <fenghua.yu@intel.com> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: pei.p.jia@intel.com Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/1555499329-1170-3-git-send-email-xiaochen.shen@intel.com |
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