lkml.org 
[lkml]   [2007]   [May]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 29/40] nfs: fix various memory recursions possible with swap over NFS.
GFP_NOFS is not enough, since swap traffic is IO, hence fall back to GFP_NOIO.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
fs/nfs/pagelist.c | 2 +-
fs/nfs/write.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)
Index: linux-2.6-git/fs/nfs/write.c
===================================================================
--- linux-2.6-git.orig/fs/nfs/write.c
+++ linux-2.6-git/fs/nfs/write.c
@@ -45,7 +45,7 @@ static struct kmem_cache *nfs_wdata_cach

struct nfs_write_data *nfs_commit_alloc(void)
{
- struct nfs_write_data *p = kmem_cache_alloc(nfs_wdata_cachep, GFP_NOFS);
+ struct nfs_write_data *p = kmem_cache_alloc(nfs_wdata_cachep, GFP_NOIO);

if (p) {
memset(p, 0, sizeof(*p));
@@ -69,7 +69,7 @@ void nfs_commit_free(struct nfs_write_da

struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount)
{
- struct nfs_write_data *p = kmem_cache_alloc(nfs_wdata_cachep, GFP_NOFS);
+ struct nfs_write_data *p = kmem_cache_alloc(nfs_wdata_cachep, GFP_NOIO);

if (p) {
memset(p, 0, sizeof(*p));
@@ -78,7 +78,7 @@ struct nfs_write_data *nfs_writedata_all
if (pagecount <= ARRAY_SIZE(p->page_array))
p->pagevec = p->page_array;
else {
- p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_NOFS);
+ p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_NOIO);
if (!p->pagevec) {
kmem_cache_free(nfs_wdata_cachep, p);
p = NULL;
Index: linux-2.6-git/fs/nfs/pagelist.c
===================================================================
--- linux-2.6-git.orig/fs/nfs/pagelist.c
+++ linux-2.6-git/fs/nfs/pagelist.c
@@ -28,7 +28,7 @@ static inline struct nfs_page *
nfs_page_alloc(void)
{
struct nfs_page *p;
- p = kmem_cache_alloc(nfs_page_cachep, GFP_KERNEL);
+ p = kmem_cache_alloc(nfs_page_cachep, GFP_NOIO);
if (p) {
memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->wb_list);
--

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-05-04 12:49    [from the cache]
©2003-2011 Jasper Spaans