done Amir Vadai Software Eng. Mellanox Technologies mailto: [email protected] Tel +972-3-6259539
On 08/30/2009 05:16 PM, Jack Morgenstein wrote: > On 32-bit machines, sizeof (u64 *) is 4 bytes (size of a ***pointer***). > However, the max SDP FMR pool size should be PAGE_SIZE / sizeof(an mtt entry) > -- > and mtt entries are u64's (or __be64's). > > This resulted in SDP requesting twice as many entries per pool on 32-bit > machines > as could fit on a single page -- with the result that the fmr pool allocation > failed > at driver startup. > > Signed-off-by: Jack Morgenstein <[email protected]> > > --- > Amir, > Please take care of this. > > Index: ofed_kernel-fixes/drivers/infiniband/ulp/sdp/sdp.h > =================================================================== > --- ofed_kernel-fixes.orig/drivers/infiniband/ulp/sdp/sdp.h 2009-08-30 > 16:57:02.000000000 +0300 > +++ ofed_kernel-fixes/drivers/infiniband/ulp/sdp/sdp.h 2009-08-30 > 16:57:20.000000000 +0300 > @@ -29,7 +29,7 @@ > #define SDP_TX_SIZE 0x40 > #define SDP_RX_SIZE 0x40 > > -#define SDP_FMR_SIZE (PAGE_SIZE / sizeof(u64 *)) > +#define SDP_FMR_SIZE (PAGE_SIZE / sizeof(u64)) > #define SDP_FMR_POOL_SIZE 1024 > #define SDP_FMR_DIRTY_SIZE ( SDP_FMR_POOL_SIZE / 4 ) > > _______________________________________________ > ewg mailing list > [email protected] > http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg _______________________________________________ ewg mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg
