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-rw-r--r--fs/ntfs3/attrlist.c15
-rw-r--r--fs/ntfs3/bitmap.c3
-rw-r--r--fs/ntfs3/super.c2
3 files changed, 16 insertions, 4 deletions
diff --git a/fs/ntfs3/attrlist.c b/fs/ntfs3/attrlist.c
index 42631b31adf1..7c01735d1219 100644
--- a/fs/ntfs3/attrlist.c
+++ b/fs/ntfs3/attrlist.c
@@ -52,7 +52,8 @@ int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr)
if (!attr->non_res) {
lsize = le32_to_cpu(attr->res.data_size);
- le = kmalloc(al_aligned(lsize), GFP_NOFS | __GFP_NOWARN);
+ /* attr is resident: lsize < record_size (1K or 4K) */
+ le = kvmalloc(al_aligned(lsize), GFP_KERNEL);
if (!le) {
err = -ENOMEM;
goto out;
@@ -80,7 +81,17 @@ int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr)
if (err < 0)
goto out;
- le = kmalloc(al_aligned(lsize), GFP_NOFS | __GFP_NOWARN);
+ /* attr is nonresident.
+ * The worst case:
+ * 1T (2^40) extremely fragmented file.
+ * cluster = 4K (2^12) => 2^28 fragments
+ * 2^9 fragments per one record => 2^19 records
+ * 2^5 bytes of ATTR_LIST_ENTRY per one record => 2^24 bytes.
+ *
+ * the result is 16M bytes per attribute list.
+ * Use kvmalloc to allocate in range [several Kbytes - dozen Mbytes]
+ */
+ le = kvmalloc(al_aligned(lsize), GFP_KERNEL);
if (!le) {
err = -ENOMEM;
goto out;
diff --git a/fs/ntfs3/bitmap.c b/fs/ntfs3/bitmap.c
index 107e808e06ea..d66055e30aff 100644
--- a/fs/ntfs3/bitmap.c
+++ b/fs/ntfs3/bitmap.c
@@ -659,7 +659,8 @@ int wnd_init(struct wnd_bitmap *wnd, struct super_block *sb, size_t nbits)
wnd->bits_last = wbits;
wnd->free_bits =
- kcalloc(wnd->nwnd, sizeof(u16), GFP_NOFS | __GFP_NOWARN);
+ kvmalloc_array(wnd->nwnd, sizeof(u16), GFP_KERNEL | __GFP_ZERO);
+
if (!wnd->free_bits)
return -ENOMEM;
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index cfec5e0c7f66..ea4e218c3f75 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -1367,7 +1367,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
}
bytes = inode->i_size;
- sbi->def_table = t = kmalloc(bytes, GFP_NOFS | __GFP_NOWARN);
+ sbi->def_table = t = kvmalloc(bytes, GFP_KERNEL);
if (!t) {
err = -ENOMEM;
goto put_inode_out;