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Date: Thu, 13 May 2010 19:08:07 +0800
From: Changli Gao <xiaosuo@...il.com>
To: akpm@...ux-foundation.org
Cc: "James E.J. Bottomley" <James.Bottomley@...e.de>,
linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
Changli Gao <xiaosuo@...il.com>
Subject: [PATCH 6/9] cxgb3i: use kvzalloc and kvfree
use kvzalloc and kvfree
use kvzalloc and kvfree
Signed-off-by: Changli Gao <xiaosuo@...il.com>
----
drivers/scsi/cxgb3i/cxgb3i_ddp.c | 12 +++++-------
drivers/scsi/cxgb3i/cxgb3i_ddp.h | 26 --------------------------
drivers/scsi/cxgb3i/cxgb3i_offload.c | 6 +++---
3 files changed, 8 insertions(+), 36 deletions(-)
diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.c b/drivers/scsi/cxgb3i/cxgb3i_ddp.c
index b58d913..2795440 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_ddp.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.c
@@ -648,7 +648,7 @@ static void ddp_cleanup(struct kref *kref)
} else
i++;
}
- cxgb3i_free_big_mem(ddp);
+ kvfree(ddp);
}
void cxgb3i_ddp_cleanup(struct t3cdev *tdev)
@@ -692,11 +692,9 @@ static void ddp_init(struct t3cdev *tdev)
bits = PPOD_IDX_MAX_SIZE;
ppmax = (1 << (bits - 1)) - 1;
- ddp = cxgb3i_alloc_big_mem(sizeof(struct cxgb3i_ddp_info) +
- ppmax *
- (sizeof(struct cxgb3i_gather_list *) +
- sizeof(struct sk_buff *)),
- GFP_KERNEL);
+ ddp = kvzalloc(sizeof(struct cxgb3i_ddp_info) + ppmax *
+ (sizeof(struct cxgb3i_gather_list *) +
+ sizeof(struct sk_buff *)));
if (!ddp) {
ddp_log_warn("%s unable to alloc ddp 0x%d, ddp disabled.\n",
tdev->name, ppmax);
@@ -743,7 +741,7 @@ static void ddp_init(struct t3cdev *tdev)
return;
free_ddp_map:
- cxgb3i_free_big_mem(ddp);
+ kvfree(ddp);
}
/**
diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.h b/drivers/scsi/cxgb3i/cxgb3i_ddp.h
index 6761b32..1be8c20 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_ddp.h
+++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.h
@@ -13,9 +13,6 @@
#ifndef __CXGB3I_ULP2_DDP_H__
#define __CXGB3I_ULP2_DDP_H__
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
/**
* struct cxgb3i_tag_format - cxgb3i ulp tag format for an iscsi entity
*
@@ -143,29 +140,6 @@ struct pagepod {
#define V_PPOD_PGSZ(x) ((x) << S_PPOD_PGSZ)
/*
- * large memory chunk allocation/release
- * use vmalloc() if kmalloc() fails
- */
-static inline void *cxgb3i_alloc_big_mem(unsigned int size,
- gfp_t gfp)
-{
- void *p = kmalloc(size, gfp);
- if (!p)
- p = vmalloc(size);
- if (p)
- memset(p, 0, size);
- return p;
-}
-
-static inline void cxgb3i_free_big_mem(void *addr)
-{
- if (is_vmalloc_addr(addr))
- vfree(addr);
- else
- kfree(addr);
-}
-
-/*
* cxgb3i ddp tag are 32 bits, it consists of reserved bits used by h/w and
* non-reserved bits that can be used by the iscsi s/w.
* The reserved bits are identified by the rsvd_bits and rsvd_shift fields
diff --git a/drivers/scsi/cxgb3i/cxgb3i_offload.c b/drivers/scsi/cxgb3i/cxgb3i_offload.c
index a175be9..720d199 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_offload.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_offload.c
@@ -1841,7 +1841,7 @@ static void sdev_data_cleanup(struct cxgb3i_sdev_data *cdata)
for (i = 0; i < ports->nports; i++)
NDEV2CDATA(ports->lldevs[i]) = NULL;
- cxgb3i_free_big_mem(cdata);
+ kvfree(cdata);
}
void cxgb3i_sdev_cleanup(void)
@@ -1885,7 +1885,7 @@ void cxgb3i_sdev_add(struct t3cdev *cdev, struct cxgb3_client *client)
int mapsize = cxgb3_max_connect * sizeof(struct s3_conn *);
int i;
- cdata = cxgb3i_alloc_big_mem(sizeof(*cdata) + mapsize, GFP_KERNEL);
+ cdata = kvzalloc(sizeof(*cdata) + mapsize);
if (!cdata) {
cxgb3i_log_warn("t3dev 0x%p, offload up, OOM %d.\n",
cdev, mapsize);
@@ -1918,7 +1918,7 @@ void cxgb3i_sdev_add(struct t3cdev *cdev, struct cxgb3_client *client)
return;
free_cdata:
- cxgb3i_free_big_mem(cdata);
+ kvfree(cdata);
}
/**
--
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