cb81c0c588
In order to support ABD with large blocks the spl_kmem_alloc_warn limit needs to be increased to 64K. A 16M block requires that pointers be stored for 4096 4K-pages on an x86_64 system. Each of these pointers is 8 bytes requiring an allocation of 8*4096=32,768 bytes. The addition of a small header to this structure pushes the allocation over the default 32K warning threshold. In addition, fix a small bug where MAX was used instead of MIN when setting the default. This ensures a reasonable limit is still set on systems with page sizes larger then 4K. Reviewed-by: David Quigley <david.quigley@intel.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #571 |
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