DMA memory limitation?

From: Vasu Varma P V (
Date: Thu Jul 05 2001 - 06:47:50 EST


Is there any limitation on DMA memory we can allocate using
kmalloc(size, GFP_DMA)? I am not able to acquire more than
14MB of the mem using this on my PCI SMP box with 256MB ram.
I think there is restriction on ISA boards of 16MB.
Can we increase it ?


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This archive was generated by hypermail 2b29 : Sat Jul 07 2001 - 21:00:15 EST