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kernel: enable writeback throttling to avoid IO queues filling up

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This commit is contained in:
Peter Hoeg 2018-01-03 12:38:29 +08:00
parent f59a0f7f1a
commit f674cb5ecc
1 changed files with 9 additions and 0 deletions
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9
pkgs/os-specific/linux/kernel/common-config.nix
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@ -370,6 +370,15 @@ with stdenv.lib;
MICROCODE_AMD_EARLY y
''}
${optionalString (versionAtLeast version "4.10") ''
# Write Back Throttling
# https://lwn.net/Articles/682582/
# https://bugzilla.kernel.org/show_bug.cgi?id=12309#c655
BLK_WBT y
BLK_WBT_SQ y
BLK_WBT_MQ y
''}
# Misc. options.
8139TOO_8129 y
8139TOO_PIO n # PIO is slower