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* Resend [PATCH] qla1280: wasted space in allocated pages for request and response ring
@ 2007-10-03 11:23 Johannes Dickgreber
  0 siblings, 0 replies; only message in thread
From: Johannes Dickgreber @ 2007-10-03 11:23 UTC (permalink / raw)
  To: linux-scsi

Hi

Sorry I Got no answer, so i resend

i think there is wasted space in allocated pages for
request and response rings.
The allocations are made with REQUEST_ENTRY_CNT + 1 and
RESPONSE_ENTRY_CNT + 1, but they are set with 256 and 16.

So we got more pages, which we dont use very much.

Can you please check.

Signed-off-by: Johannes Dickgreber tanzy@gmx.de
---
--- qla1280.h.orig	2007-09-19 23:32:42 +0200
+++ qla1280.h	2007-09-19 23:44:37 +0200
@@ -91,8 +91,8 @@
 #define INVALID_HANDLE			(MAX_OUTSTANDING_COMMANDS + 2)

 /* ISP request and response entry counts (37-65535) */
-#define REQUEST_ENTRY_CNT		256 /* Number of request entries. */
-#define RESPONSE_ENTRY_CNT		16  /* Number of response entries. */
+#define REQUEST_ENTRY_CNT		255 /* Number of request entries. */
+#define RESPONSE_ENTRY_CNT		63  /* Number of response entries. */

 /*
  * SCSI Request Block structure  (sp)  that is placed

Thanks

	tanzy

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2007-10-03 11:23 Resend [PATCH] qla1280: wasted space in allocated pages for request and response ring Johannes Dickgreber

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