In the past we encountered some corruption and realized the PVFS client buffers were not being securely pinned in memory for clients with 2.4 kernels. Heavy swapping would eventually cause the buffers to get swapped out as well. We submitted a patch that fixed it for 2.4 kernels.
Recently we discovered that this was still an issue with some 2.6 kernels. This patch removes the ifdefs that isolate the fix to the older kernel versions. It solved some data corruption that we were seeing. Bart.
memory_pinning.patch
Description: Binary data
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