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mm/iob/Kconfig: Make the default of IOB_NCHAINS same as IOB_NBUFFERS. It is reasonable default value since iob_qentry_s is much small than iob_s and could avoid the buffer can be allocated but the chain can't: 'tcp_datahandler: ERROR: Failed to queue the I/O buffer chain: -12'

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Xiang Xiao
2019-11-24 10:43:45 -06:00
committed by Gregory Nutt
parent 506b83f8d9
commit c5a7da5b7a
1 changed files with 1 additions and 1 deletions
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mm/iob/Kconfig
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@@ -35,7 +35,7 @@ config IOB_BUFSIZE
config IOB_NCHAINS config IOB_NCHAINS
int "Number of pre-allocated I/O buffer chain heads" int "Number of pre-allocated I/O buffer chain heads"
default 0 if !NET_READAHEAD && !NET_UDP_READAHEAD default 0 if !NET_READAHEAD && !NET_UDP_READAHEAD
default 8 if NET_READAHEAD || NET_UDP_READAHEAD default IOB_NBUFFERS if NET_READAHEAD || NET_UDP_READAHEAD
---help--- ---help---
These tiny nodes are used as "containers" to support queueing of These tiny nodes are used as "containers" to support queueing of
I/O buffer chains. This will limit the number of I/O transactions I/O buffer chains. This will limit the number of I/O transactions