From: Randy Dunlap Relax the lowmem bounce buffer requirement for imm so that any low memory page will do -- they don't need to be below the ISA 16 MB limit, just need to be mapped in low memory. Signed-off-by: Randy Dunlap Cc: James Bottomley Signed-off-by: Andrew Morton --- drivers/scsi/imm.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff -puN drivers/scsi/imm.c~imm-no-need-for-unchecked_isa_dma drivers/scsi/imm.c --- 25/drivers/scsi/imm.c~imm-no-need-for-unchecked_isa_dma Fri May 19 14:21:49 2006 +++ 25-akpm/drivers/scsi/imm.c Fri May 19 14:21:49 2006 @@ -1119,6 +1119,10 @@ static int device_check(imm_struct *dev) return -ENODEV; } +/* + * imm cannot deal with highmem, so this causes all IO pages for this host + * to reside in low memory (hence mapped) + */ static int imm_adjust_queue(struct scsi_device *device) { blk_queue_bounce_limit(device->request_queue, BLK_BOUNCE_HIGH); @@ -1141,10 +1145,6 @@ static struct scsi_host_template imm_tem .use_clustering = ENABLE_CLUSTERING, .can_queue = 1, .slave_alloc = imm_adjust_queue, - .unchecked_isa_dma = 1, /* imm cannot deal with highmem, so - * this is an easy trick to ensure - * all io pages for this host reside - * in low memory */ }; /*************************************************************************** _