mirror of https://gitee.com/openkylin/linux.git
net: doc: fix many typos in scaling.txt
Fix some trivial typos. Signed-off-by: Shan Wei <shanwei88@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -208,7 +208,7 @@ The counter in rps_dev_flow_table values records the length of the current
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CPU's backlog when a packet in this flow was last enqueued. Each backlog
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queue has a head counter that is incremented on dequeue. A tail counter
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is computed as head counter + queue length. In other words, the counter
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in rps_dev_flow_table[i] records the last element in flow i that has
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in rps_dev_flow[i] records the last element in flow i that has
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been enqueued onto the currently designated CPU for flow i (of course,
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entry i is actually selected by hash and multiple flows may hash to the
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same entry i).
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@ -224,7 +224,7 @@ following is true:
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- The current CPU's queue head counter >= the recorded tail counter
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value in rps_dev_flow[i]
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- The current CPU is unset (equal to NR_CPUS)
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- The current CPU is unset (equal to RPS_NO_CPU)
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- The current CPU is offline
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After this check, the packet is sent to the (possibly updated) current
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@ -235,7 +235,7 @@ CPU.
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==== RFS Configuration
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RFS is only available if the kconfig symbol CONFIG_RFS is enabled (on
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RFS is only available if the kconfig symbol CONFIG_RPS is enabled (on
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by default for SMP). The functionality remains disabled until explicitly
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configured. The number of entries in the global flow table is set through:
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@ -258,7 +258,7 @@ For a single queue device, the rps_flow_cnt value for the single queue
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would normally be configured to the same value as rps_sock_flow_entries.
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For a multi-queue device, the rps_flow_cnt for each queue might be
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configured as rps_sock_flow_entries / N, where N is the number of
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queues. So for instance, if rps_flow_entries is set to 32768 and there
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queues. So for instance, if rps_sock_flow_entries is set to 32768 and there
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are 16 configured receive queues, rps_flow_cnt for each queue might be
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configured as 2048.
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