[ofa-general] [PATCH/RFC] IPoIB: Allocate priv->tx_ring with vmalloc()

Or Gerlitz ogerlitz at voltaire.com
Wed Mar 12 05:12:59 PDT 2008


Roland Dreier wrote:
> Commit 7143740d ("IPoIB: Add send gather support") made struct
> ipoib_tx_buf significantly larger, since the mapping member changed
> from a single u64 to an array with MAX_SKB_FRAGS + 1 entries.  This
> means that allocating tx_rings with kzalloc() may fail because there
> is not enough contiguous memory for the new, much bigger size.  Fix
> this regression by allocating the rings with vmalloc() instead.
>   
Don't you need to free them with vfree() in this case?

Or.





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