diff options
author | Cliff Wickman <[email protected]> | 2010-06-02 16:22:02 -0500 |
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committer | Ingo Molnar <[email protected]> | 2010-06-08 21:13:45 +0200 |
commit | 50fb55acc5bbe5ee29d0a65262f4ec286b14d156 (patch) | |
tree | 2099e2a96ae882b206e405976bf01725b7c4167e /fs/jbd/commit.c | |
parent | e8e5e8a8048006a12d7777a93baebd6e39496101 (diff) |
x86, UV: Disable BAU on network congestion
The numalink network can become so congested that TLB shootdown
using the Broadcast Assist Unit becomes slower than using IPI's.
In that case, disable the use of the BAU for a period of time.
The period is tunable. When the period expires the use of the
BAU is re-enabled. A count of these actions is added to the
statistics file.
Signed-off-by: Cliff Wickman <[email protected]>
Cc: [email protected]
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'fs/jbd/commit.c')
0 files changed, 0 insertions, 0 deletions