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fs: Convert vmalloc/memset to vzalloc 

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Alex Elder <aelder@sgi.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Joe Perches 2011-05-28 10:36:33 -07:00 committed by Jiri Kosina
parent 1ac4594d88
commit 558feb0818
4 changed files with 7 additions and 18 deletions
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5
fs/coda/coda_linux.h
View File

@ -59,12 +59,11 @@ void coda_sysctl_clean(void);
#define CODA_ALLOC(ptr, cast, size) do { \
if (size < PAGE_SIZE) \
ptr = kmalloc((unsigned long) size, GFP_KERNEL); \
ptr = kzalloc((unsigned long) size, GFP_KERNEL); \
else \
ptr = (cast)vmalloc((unsigned long) size); \
ptr = (cast)vzalloc((unsigned long) size); \
if (!ptr) \
printk("kernel malloc returns 0 at %s:%d\n", __FILE__, __LINE__); \
else memset( ptr, 0, size ); \
} while (0)

9
fs/reiserfs/journal.c
View File

@ -291,14 +291,13 @@ int reiserfs_allocate_list_bitmaps(struct super_block *sb,
for (i = 0; i < JOURNAL_NUM_BITMAPS; i++) {
jb = jb_array + i;
jb->journal_list = NULL;
jb->bitmaps = vmalloc(mem);
jb->bitmaps = vzalloc(mem);
if (!jb->bitmaps) {
reiserfs_warning(sb, "clm-2000", "unable to "
"allocate bitmaps for journal lists");
failed = 1;
break;
}
memset(jb->bitmaps, 0, mem);
}
if (failed) {
free_list_bitmaps(sb, jb_array);
@ -353,11 +352,10 @@ static struct reiserfs_journal_cnode *allocate_cnodes(int num_cnodes)
if (num_cnodes <= 0) {
return NULL;
}
head = vmalloc(num_cnodes * sizeof(struct reiserfs_journal_cnode));
head = vzalloc(num_cnodes * sizeof(struct reiserfs_journal_cnode));
if (!head) {
return NULL;
}
memset(head, 0, num_cnodes * sizeof(struct reiserfs_journal_cnode));
head[0].prev = NULL;
head[0].next = head + 1;
for (i = 1; i < num_cnodes; i++) {
@ -2685,14 +2683,13 @@ int journal_init(struct super_block *sb, const char *j_dev_name,
* dependency inversion warnings.
*/
reiserfs_write_unlock(sb);
journal = SB_JOURNAL(sb) = vmalloc(sizeof(struct reiserfs_journal));
journal = SB_JOURNAL(sb) = vzalloc(sizeof(struct reiserfs_journal));
if (!journal) {
reiserfs_warning(sb, "journal-1256",
"unable to get memory for journal structure");
reiserfs_write_lock(sb);
return 1;
}
memset(journal, 0, sizeof(struct reiserfs_journal));
INIT_LIST_HEAD(&journal->j_bitmap_nodes);
INIT_LIST_HEAD(&journal->j_prealloc_list);
INIT_LIST_HEAD(&journal->j_working_list);

4
fs/reiserfs/resize.c
View File

@ -111,15 +111,13 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
/* allocate additional bitmap blocks, reallocate array of bitmap
* block pointers */
bitmap =
vmalloc(sizeof(struct reiserfs_bitmap_info) * bmap_nr_new);
vzalloc(sizeof(struct reiserfs_bitmap_info) * bmap_nr_new);
if (!bitmap) {
/* Journal bitmaps are still supersized, but the memory isn't
* leaked, so I guess it's ok */
printk("reiserfs_resize: unable to allocate memory.\n");
return -ENOMEM;
}
memset(bitmap, 0,
sizeof(struct reiserfs_bitmap_info) * bmap_nr_new);
for (i = 0; i < bmap_nr; i++)
bitmap[i] = old_bitmap[i];

7
fs/xfs/linux-2.6/kmem.h
View File

@ -61,12 +61,7 @@ extern void kmem_free(const void *);
static inline void *kmem_zalloc_large(size_t size)
{
void *ptr;
ptr = vmalloc(size);
if (ptr)
memset(ptr, 0, size);
return ptr;
return vzalloc(size);
}
static inline void kmem_free_large(void *ptr)
{