Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | Subject | [PATCH][3/6] IB: Fix FMR pool crash | Date | Fri, 1 Apr 2005 10:23:51 -0800 | From | Roland Dreier <> |
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Mask bits correctly from jhash result in ib_fmr_hash() so that the computed bucket index is within our hash table. This fixes an SDP crash.
Signed-off-by: Roland Dreier <roland@topspin.com>
--- linux-export.orig/drivers/infiniband/core/fmr_pool.c 2005-03-31 19:07:05.000000000 -0800 +++ linux-export/drivers/infiniband/core/fmr_pool.c 2005-04-01 10:08:58.240241456 -0800 @@ -103,9 +103,8 @@ static inline u32 ib_fmr_hash(u64 first_page) { - return jhash_2words((u32) first_page, - (u32) (first_page >> 32), - 0); + return jhash_2words((u32) first_page, (u32) (first_page >> 32), 0) & + (IB_FMR_HASH_SIZE - 1); } /* Caller must hold pool_lock */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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