AcoSail/kernel_optimize_test
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treewide: Add __GFP_NOWARN to k.alloc calls with v.alloc fallbacks

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Don't emit OOM warnings when k.alloc calls fail when
there there is a v.alloc immediately afterwards.

Converted a kmalloc/vmalloc with memset to kzalloc/vzalloc.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Joe Perches 2013-06-19 12:15:53 -07:00 committed by Jiri Kosina
parent 85dbe70607
commit 8be04b9374
9 changed files with 15 additions and 13 deletions
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2
drivers/block/drbd/drbd_bitmap.c
View File

@ -393,7 +393,7 @@ static struct page **bm_realloc_pages(struct drbd_bitmap *b, unsigned long want)
* we must not block on IO to ourselves.
* Context is receiver thread or dmsetup. */
bytes = sizeof(struct page *)*want;
new_pages = kzalloc(bytes, GFP_NOIO);
new_pages = kzalloc(bytes, GFP_NOIO | __GFP_NOWARN);
if (!new_pages) {
new_pages = __vmalloc(bytes,
GFP_NOIO | __GFP_HIGHMEM | __GFP_ZERO,

3
drivers/infiniband/hw/ehca/ipz_pt_fn.c
View File

@ -222,7 +222,8 @@ int ipz_queue_ctor(struct ehca_pd *pd, struct ipz_queue *queue,
queue->small_page = NULL;
/* allocate queue page pointers */
queue->queue_pages = kzalloc(nr_of_pages * sizeof(void *), GFP_KERNEL);
queue->queue_pages = kzalloc(nr_of_pages * sizeof(void *),
GFP_KERNEL | __GFP_NOWARN);
if (!queue->queue_pages) {
queue->queue_pages = vzalloc(nr_of_pages * sizeof(void *));
if (!queue->queue_pages) {

2
drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c
View File

@ -1157,7 +1157,7 @@ static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new,
*/
void *cxgb_alloc_mem(unsigned long size)
{
void *p = kzalloc(size, GFP_KERNEL);
void *p = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
if (!p)
p = vzalloc(size);

2
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View File

@ -1133,7 +1133,7 @@ out: release_firmware(fw);
*/
void *t4_alloc_mem(size_t size)
{
void *p = kzalloc(size, GFP_KERNEL);
void *p = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
if (!p)
p = vzalloc(size);

8
drivers/scsi/cxgbi/libcxgbi.h
View File

@ -658,11 +658,11 @@ static inline u32 cxgbi_tag_nonrsvd_bits(struct cxgbi_tag_format *tformat,
static inline void *cxgbi_alloc_big_mem(unsigned int size,
gfp_t gfp)
{
void *p = kmalloc(size, gfp);
void *p = kzalloc(size, gfp | __GFP_NOWARN);
if (!p)
p = vmalloc(size);
if (p)
memset(p, 0, size);
p = vzalloc(size);
return p;
}

2
fs/btrfs/send.c
View File

@ -219,7 +219,7 @@ static int fs_path_ensure_buf(struct fs_path *p, int len)
len = PAGE_ALIGN(len);
if (p->buf == p->inline_buf) {
tmp_buf = kmalloc(len, GFP_NOFS);
tmp_buf = kmalloc(len, GFP_NOFS | __GFP_NOWARN);
if (!tmp_buf) {
tmp_buf = vmalloc(len);
if (!tmp_buf)

4
fs/ext4/super.c
View File

@ -162,7 +162,7 @@ void *ext4_kvmalloc(size_t size, gfp_t flags)
{
void *ret;
ret = kmalloc(size, flags);
ret = kmalloc(size, flags | __GFP_NOWARN);
if (!ret)
ret = __vmalloc(size, flags, PAGE_KERNEL);
return ret;
@ -172,7 +172,7 @@ void *ext4_kvzalloc(size_t size, gfp_t flags)
{
void *ret;
ret = kzalloc(size, flags);
ret = kzalloc(size, flags | __GFP_NOWARN);
if (!ret)
ret = __vmalloc(size, flags | __GFP_ZERO, PAGE_KERNEL);
return ret;

2
fs/gfs2/dir.c
View File

@ -1859,7 +1859,7 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len,
memset(&rlist, 0, sizeof(struct gfs2_rgrp_list));
ht = kzalloc(size, GFP_NOFS);
ht = kzalloc(size, GFP_NOFS | __GFP_NOWARN);
if (ht == NULL)
ht = vzalloc(size);
if (!ht)

3
net/sched/sch_choke.c
View File

@ -438,7 +438,8 @@ static int choke_change(struct Qdisc *sch, struct nlattr *opt)
if (mask != q->tab_mask) {
struct sk_buff **ntab;
ntab = kcalloc(mask + 1, sizeof(struct sk_buff *), GFP_KERNEL);
ntab = kcalloc(mask + 1, sizeof(struct sk_buff *),
GFP_KERNEL | __GFP_NOWARN);
if (!ntab)
ntab = vzalloc((mask + 1) * sizeof(struct sk_buff *));
if (!ntab)