Commit 72ceeaec authored by Stephen M. Cameron's avatar Stephen M. Cameron Committed by James Bottomley
Browse files

[SCSI] hpsa: limit commands allocated on reset_devices 



This is to conserve memory in a memory-limited kdump scenario

Signed-off-by: default avatarStephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 270d05de

drivers/scsi/hpsa.c

+5 −0
Original line number Diff line number Diff line
@@ -3470,6 +3470,11 @@ static int __devinit hpsa_find_cfgtables(struct ctlr_info *h) 
static void __devinit hpsa_get_max_perf_mode_cmds(struct ctlr_info *h)

{

	h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));



	/* Limit commands in memory limited kdump scenario. */

	if (reset_devices && h->max_commands > 32)

		h->max_commands = 32;



	if (h->max_commands < 16) {

		dev_warn(&h->pdev->dev, "Controller reports "

			"max supported commands of %d, an obvious lie. "