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25 lines
756 B
Diff
25 lines
756 B
Diff
commit dc0fb534ff37768cdc4c6782fb25376f89ed04d3
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Author: Sebastian Sumpf <sebastian.sumpf@genode-labs.com>
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Date: Mon Jun 2 13:34:39 2014 +0200
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tcp.patch
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diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
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index 97c8f56..4091fe3 100644
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--- a/net/ipv4/tcp.c
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+++ b/net/ipv4/tcp.c
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@@ -3209,6 +3209,13 @@ void __init tcp_init(void)
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tcp_init_mem();
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/* Set per-socket limits to no more than 1/128 the pressure threshold */
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limit = nr_free_buffer_pages() << (PAGE_SHIFT - 7);
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+
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+ /*
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+ * Adjust limit so it performs well on systems with little memory. If
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+ * this causes errors increase L4Linux main memory
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+ */
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+ limit = limit < 1024U * 1024 ? 1024U * 1024 : limit;
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+
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max_wshare = min(4UL*1024*1024, limit);
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max_rshare = min(6UL*1024*1024, limit);
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