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authorStephen M. Cameron <scameron@beardog.cce.hp.com>2011-01-06 15:48:13 -0500
committerJames Bottomley <James.Bottomley@suse.de>2011-01-24 12:29:58 -0500
commit72ceeaecb748dff3d35b10d7518bed651b895f3e (patch)
tree20dc839743fe60bcdd19921e539d90b5e1df1472
parent270d05de2b8d82df4ed19955f6c0c7400f6ffbf5 (diff)
[SCSI] hpsa: limit commands allocated on reset_devices
This is to conserve memory in a memory-limited kdump scenario Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
-rw-r--r--drivers/scsi/hpsa.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 82b94e2c745b..688b24333a6f 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3470,6 +3470,11 @@ static int __devinit hpsa_find_cfgtables(struct ctlr_info *h)
3470static void __devinit hpsa_get_max_perf_mode_cmds(struct ctlr_info *h) 3470static void __devinit hpsa_get_max_perf_mode_cmds(struct ctlr_info *h)
3471{ 3471{
3472 h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands)); 3472 h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
3473
3474 /* Limit commands in memory limited kdump scenario. */
3475 if (reset_devices && h->max_commands > 32)
3476 h->max_commands = 32;
3477
3473 if (h->max_commands < 16) { 3478 if (h->max_commands < 16) {
3474 dev_warn(&h->pdev->dev, "Controller reports " 3479 dev_warn(&h->pdev->dev, "Controller reports "
3475 "max supported commands of %d, an obvious lie. " 3480 "max supported commands of %d, an obvious lie. "