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[PATCH] i386: replace kmalloc+memset with kzalloc

Browse Source 
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Burman Yan 2006-12-07 02:14:19 +01:00 committed by Andi Kleen
parent d7fb027128
commit 116780fc04
5 changed files with 12 additions and 34 deletions
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11
arch/i386/kernel/cpu/intel_cacheinfo.c
View File

@ -480,12 +480,10 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu)
if (num_cache_leaves == 0)
return -ENOENT;
cpuid4_info[cpu] = kmalloc(
cpuid4_info[cpu] = kzalloc(
sizeof(struct _cpuid4_info) * num_cache_leaves, GFP_KERNEL);
if (unlikely(cpuid4_info[cpu] == NULL))
return -ENOMEM;
memset(cpuid4_info[cpu], 0,
sizeof(struct _cpuid4_info) * num_cache_leaves);
oldmask = current->cpus_allowed;
retval = set_cpus_allowed(current, cpumask_of_cpu(cpu));
@ -658,17 +656,14 @@ static int __cpuinit cpuid4_cache_sysfs_init(unsigned int cpu)
return -ENOENT;
/* Allocate all required memory */
cache_kobject[cpu] = kmalloc(sizeof(struct kobject), GFP_KERNEL);
cache_kobject[cpu] = kzalloc(sizeof(struct kobject), GFP_KERNEL);
if (unlikely(cache_kobject[cpu] == NULL))
goto err_out;
memset(cache_kobject[cpu], 0, sizeof(struct kobject));
index_kobject[cpu] = kmalloc(
index_kobject[cpu] = kzalloc(
sizeof(struct _index_kobject ) * num_cache_leaves, GFP_KERNEL);
if (unlikely(index_kobject[cpu] == NULL))
goto err_out;
memset(index_kobject[cpu], 0,
sizeof(struct _index_kobject) * num_cache_leaves);
return 0;

13
arch/i386/kernel/mca.c
View File

@ -283,10 +283,9 @@ static int __init mca_init(void)
bus->f.mca_transform_memory = mca_dummy_transform_memory;
/* get the motherboard device */
mca_dev = kmalloc(sizeof(struct mca_device), GFP_KERNEL);
mca_dev = kzalloc(sizeof(struct mca_device), GFP_KERNEL);
if(unlikely(!mca_dev))
goto out_nomem;
memset(mca_dev, 0, sizeof(struct mca_device));
/*
* We do not expect many MCA interrupts during initialization,
@ -310,11 +309,9 @@ static int __init mca_init(void)
mca_dev->slot = MCA_MOTHERBOARD;
mca_register_device(MCA_PRIMARY_BUS, mca_dev);
mca_dev = kmalloc(sizeof(struct mca_device), GFP_ATOMIC);
mca_dev = kzalloc(sizeof(struct mca_device), GFP_ATOMIC);
if(unlikely(!mca_dev))
goto out_unlock_nomem;
memset(mca_dev, 0, sizeof(struct mca_device));
/* Put motherboard into video setup mode, read integrated video
* POS registers, and turn motherboard setup off.
@ -349,10 +346,9 @@ static int __init mca_init(void)
}
if(which_scsi) {
/* found a scsi card */
mca_dev = kmalloc(sizeof(struct mca_device), GFP_ATOMIC);
mca_dev = kzalloc(sizeof(struct mca_device), GFP_ATOMIC);
if(unlikely(!mca_dev))
goto out_unlock_nomem;
memset(mca_dev, 0, sizeof(struct mca_device));
for(j = 0; j < 8; j++)
mca_dev->pos[j] = pos[j];
@ -378,10 +374,9 @@ static int __init mca_init(void)
if(!mca_read_and_store_pos(pos))
continue;
mca_dev = kmalloc(sizeof(struct mca_device), GFP_ATOMIC);
mca_dev = kzalloc(sizeof(struct mca_device), GFP_ATOMIC);
if(unlikely(!mca_dev))
goto out_unlock_nomem;
memset(mca_dev, 0, sizeof(struct mca_device));
for(j=0; j<8; j++)
mca_dev->pos[j]=pos[j];

6
arch/i386/kernel/pci-dma.c
View File

@ -92,14 +92,12 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
if (!mem_base)
goto out;
dev->dma_mem = kmalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL);
dev->dma_mem = kzalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL);
if (!dev->dma_mem)
goto out;
memset(dev->dma_mem, 0, sizeof(struct dma_coherent_mem));
dev->dma_mem->bitmap = kmalloc(bitmap_size, GFP_KERNEL);
dev->dma_mem->bitmap = kzalloc(bitmap_size, GFP_KERNEL);
if (!dev->dma_mem->bitmap)
goto free1_out;
memset(dev->dma_mem->bitmap, 0, bitmap_size);
dev->dma_mem->virt_base = mem_base;
dev->dma_mem->device_base = device_addr;

6
arch/i386/mach-voyager/voyager_cat.c
View File

@ -776,7 +776,7 @@ voyager_cat_init(void)
for(asic=0; asic < (*modpp)->num_asics; asic++) {
int j;
voyager_asic_t *asicp = *asicpp
= kmalloc(sizeof(voyager_asic_t), GFP_KERNEL); /*&voyager_asic_storage[asic_count++];*/
= kzalloc(sizeof(voyager_asic_t), GFP_KERNEL); /*&voyager_asic_storage[asic_count++];*/
voyager_sp_table_t *sp_table;
voyager_at_t *asic_table;
voyager_jtt_t *jtag_table;
@ -785,7 +785,6 @@ voyager_cat_init(void)
printk("**WARNING** kmalloc failure in cat_init\n");
continue;
}
memset(asicp, 0, sizeof(voyager_asic_t));
asicpp = &(asicp->next);
asicp->asic_location = asic;
sp_table = (voyager_sp_table_t *)(eprom_buf + sp_offset);
@ -851,8 +850,7 @@ voyager_cat_init(void)
#endif
{
struct resource *res = kmalloc(sizeof(struct resource),GFP_KERNEL);
memset(res, 0, sizeof(struct resource));
struct resource *res = kzalloc(sizeof(struct resource),GFP_KERNEL);
res->name = kmalloc(128, GFP_KERNEL);
sprintf((char *)res->name, "Voyager %s Quad CPI", cat_module_name(i));
res->start = qic_addr;

10
include/asm-i386/thread_info.h
View File

@ -95,15 +95,7 @@ static inline struct thread_info *current_thread_info(void)
/* thread information allocation */
#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk) \
({ \
struct thread_info *ret; \
\
ret = kmalloc(THREAD_SIZE, GFP_KERNEL); \
if (ret) \
memset(ret, 0, THREAD_SIZE); \
ret; \
})
#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
#else
#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
#endif