# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1213084239 -3600
# Node ID 5db911a71eac6b0b19e74398f0750ce12fb1b94b
# Parent 8523584ffaa3b0f6ecce36b826a2c7b26aef61b7
Use GFP_NOIO to avoid allocations which swap on resume.
377:e8b49cfbdac0 and 497:fdb998e79aba added __GFP_HIGH to allocations
which could cause swap on resume. __GFP_HIGH actually only makes such
allocations less likely (by allowing access to the emergency pools of
memory).
See: http://marc.info/?l=linux-kernel&m=121222807617695&w=2
Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
drivers/xen/blkfront/blkfront.c | 4 ++--
drivers/xen/netfront/netfront.c | 4 ++--
drivers/xen/xenbus/xenbus_client.c | 2 +-
drivers/xen/xenbus/xenbus_xs.c | 12 ++++++------
4 files changed, 11 insertions(+), 11 deletions(-)
diff -r 8523584ffaa3 -r 5db911a71eac drivers/xen/blkfront/blkfront.c
--- a/drivers/xen/blkfront/blkfront.c Tue Jun 10 08:35:59 2008 +0100
+++ b/drivers/xen/blkfront/blkfront.c Tue Jun 10 08:50:39 2008 +0100
@@ -219,7 +219,7 @@ static int setup_blkring(struct xenbus_d
info->ring_ref = GRANT_INVALID_REF;
- sring = (blkif_sring_t *)__get_free_page(GFP_KERNEL|__GFP_HIGH);
+ sring = (blkif_sring_t *)__get_free_page(GFP_NOIO | __GFP_HIGH);
if (!sring) {
xenbus_dev_fatal(dev, -ENOMEM, "allocating shared ring");
return -ENOMEM;
@@ -817,7 +817,7 @@ static void blkif_recover(struct blkfron
int j;
/* Stage 1: Make a safe copy of the shadow state. */
- copy = kmalloc(sizeof(info->shadow), GFP_KERNEL | __GFP_NOFAIL |
__GFP_HIGH);
+ copy = kmalloc(sizeof(info->shadow), GFP_NOIO | __GFP_NOFAIL |
__GFP_HIGH);
memcpy(copy, info->shadow, sizeof(info->shadow));
/* Stage 2: Set up free list. */
diff -r 8523584ffaa3 -r 5db911a71eac drivers/xen/netfront/netfront.c
--- a/drivers/xen/netfront/netfront.c Tue Jun 10 08:35:59 2008 +0100
+++ b/drivers/xen/netfront/netfront.c Tue Jun 10 08:50:39 2008 +0100
@@ -478,7 +478,7 @@ static int setup_device(struct xenbus_de
info->tx.sring = NULL;
info->irq = 0;
- txs = (struct netif_tx_sring *)get_zeroed_page(GFP_KERNEL|__GFP_HIGH);
+ txs = (struct netif_tx_sring *)get_zeroed_page(GFP_NOIO | __GFP_HIGH);
if (!txs) {
err = -ENOMEM;
xenbus_dev_fatal(dev, err, "allocating tx ring page");
@@ -494,7 +494,7 @@ static int setup_device(struct xenbus_de
}
info->tx_ring_ref = err;
- rxs = (struct netif_rx_sring *)get_zeroed_page(GFP_KERNEL|__GFP_HIGH);
+ rxs = (struct netif_rx_sring *)get_zeroed_page(GFP_NOIO | __GFP_HIGH);
if (!rxs) {
err = -ENOMEM;
xenbus_dev_fatal(dev, err, "allocating rx ring page");
diff -r 8523584ffaa3 -r 5db911a71eac drivers/xen/xenbus/xenbus_client.c
--- a/drivers/xen/xenbus/xenbus_client.c Tue Jun 10 08:35:59 2008 +0100
+++ b/drivers/xen/xenbus/xenbus_client.c Tue Jun 10 08:50:39 2008 +0100
@@ -87,7 +87,7 @@ int xenbus_watch_path2(struct xenbus_dev
const char **, unsigned int))
{
int err;
- char *state = kasprintf(GFP_KERNEL|__GFP_HIGH, "%s/%s", path, path2);
+ char *state = kasprintf(GFP_NOIO | __GFP_HIGH, "%s/%s", path, path2);
if (!state) {
xenbus_dev_fatal(dev, -ENOMEM, "allocating path for watch");
return -ENOMEM;
diff -r 8523584ffaa3 -r 5db911a71eac drivers/xen/xenbus/xenbus_xs.c
--- a/drivers/xen/xenbus/xenbus_xs.c Tue Jun 10 08:35:59 2008 +0100
+++ b/drivers/xen/xenbus/xenbus_xs.c Tue Jun 10 08:50:39 2008 +0100
@@ -291,9 +291,9 @@ static char *join(const char *dir, const
char *buffer;
if (strlen(name) == 0)
- buffer = kasprintf(GFP_KERNEL|__GFP_HIGH, "%s", dir);
+ buffer = kasprintf(GFP_NOIO | __GFP_HIGH, "%s", dir);
else
- buffer = kasprintf(GFP_KERNEL|__GFP_HIGH, "%s/%s", dir, name);
+ buffer = kasprintf(GFP_NOIO | __GFP_HIGH, "%s/%s", dir, name);
return (!buffer) ? ERR_PTR(-ENOMEM) : buffer;
}
@@ -305,7 +305,7 @@ static char **split(char *strings, unsig
*num = count_strings(strings, len) + 1;
/* Transfer to one big alloc for easy freeing. */
- ret = kmalloc(*num * sizeof(char *) + len, GFP_KERNEL|__GFP_HIGH);
+ ret = kmalloc(*num * sizeof(char *) + len, GFP_NOIO | __GFP_HIGH);
if (!ret) {
kfree(strings);
return ERR_PTR(-ENOMEM);
@@ -507,7 +507,7 @@ int xenbus_printf(struct xenbus_transact
#define PRINTF_BUFFER_SIZE 4096
char *printf_buffer;
- printf_buffer = kmalloc(PRINTF_BUFFER_SIZE, GFP_KERNEL|__GFP_HIGH);
+ printf_buffer = kmalloc(PRINTF_BUFFER_SIZE, GFP_NOIO | __GFP_HIGH);
if (printf_buffer == NULL)
return -ENOMEM;
@@ -791,7 +791,7 @@ static int process_msg(void)
}
- msg = kmalloc(sizeof(*msg), GFP_KERNEL|__GFP_HIGH);
+ msg = kmalloc(sizeof(*msg), GFP_NOIO | __GFP_HIGH);
if (msg == NULL) {
err = -ENOMEM;
goto out;
@@ -803,7 +803,7 @@ static int process_msg(void)
goto out;
}
- body = kmalloc(msg->hdr.len + 1, GFP_KERNEL|__GFP_HIGH);
+ body = kmalloc(msg->hdr.len + 1, GFP_NOIO | __GFP_HIGH);
if (body == NULL) {
kfree(msg);
err = -ENOMEM;
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