From: Julian Wiedmann <jwi@linux.ibm.com>
Date: Wed, 18 Mar 2020 13:54:45 +0100
Subject: s390/qeth: use memory reserves to back RX buffers
Git-commit: 714c9108851743bb718fbc1bfb81290f12a53854
Patch-mainline: v5.7-rc1
References: jsc#SLE-13690
Use dev_alloc_page() for backing the RX buffers with pages. This way we
pick up __GFP_MEMALLOC.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/s390/net/qeth_core_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 6caa78d51bd1..be3f6295309b 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -244,7 +244,7 @@ static struct qeth_buffer_pool_entry *qeth_alloc_pool_entry(unsigned int pages)
return NULL;
for (i = 0; i < pages; i++) {
- entry->elements[i] = alloc_page(GFP_KERNEL);
+ entry->elements[i] = __dev_alloc_page(GFP_KERNEL);
if (!entry->elements[i]) {
qeth_free_pool_entry(entry);
@@ -2654,7 +2654,7 @@ static struct qeth_buffer_pool_entry *qeth_find_free_buffer_pool_entry(
struct qeth_buffer_pool_entry, list);
for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
if (page_count(entry->elements[i]) > 1) {
- struct page *page = alloc_page(GFP_ATOMIC);
+ struct page *page = dev_alloc_page();
if (!page)
return NULL;