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authorShivasharan S <shivasharan.srikanteshwara@broadcom.com>2017-02-10 00:59:17 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2017-02-13 07:26:22 -0500
commit5fc499b612c5401a7ae0674086befcdf8b148516 (patch)
treec2e4b571415353ed30bfdb6ce89fc5bbaba25e8f /drivers/scsi/megaraid/megaraid_sas_fusion.h
parentb4a42213a7eb8ec8556f27e6750bbc5c9193e86e (diff)
scsi: megaraid_sas: reduce size of fusion_context and use vmalloc if kmalloc fails
Currently fusion context has fixed array load_balance_info. Use dynamic allocation. In few places, driver do not want physically contigious memory. Attempt to use vmalloc if physical contiguous memory is not available. Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fusion.h')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h
index c606ca000596..f25a26252790 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.h
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h
@@ -1287,7 +1287,8 @@ struct fusion_context {
struct MR_PD_CFG_SEQ_NUM_SYNC *pd_seq_sync[JBOD_MAPS_COUNT];
dma_addr_t pd_seq_phys[JBOD_MAPS_COUNT];
u8 fast_path_io;
- struct LD_LOAD_BALANCE_INFO load_balance_info[MAX_LOGICAL_DRIVES_EXT];
+ struct LD_LOAD_BALANCE_INFO *load_balance_info;
+ u32 load_balance_info_pages;
LD_SPAN_INFO log_to_span[MAX_LOGICAL_DRIVES_EXT];
u8 adapter_type;
struct LD_STREAM_DETECT **stream_detect_by_ld;