On Wed, Mar 24, 2021 at 11:02:47PM +0300, Dmitry Osipenko wrote:
> 24.03.2021 22:57, Minchan Kim пишет:
> > On Wed, Mar 24, 2021 at 10:49:58PM +0300, Dmitry Osipenko wrote:
> >> 24.03.2021 22:43, Dmitry Osipenko пишет:
> >>> 24.03.2021 22:20, Minchan Kim пишет:
> static int __init cma_sysfs_i
24.03.2021 22:57, Minchan Kim пишет:
> On Wed, Mar 24, 2021 at 10:49:58PM +0300, Dmitry Osipenko wrote:
>> 24.03.2021 22:43, Dmitry Osipenko пишет:
>>> 24.03.2021 22:20, Minchan Kim пишет:
static int __init cma_sysfs_init(void)
{
- int i = 0;
+ struct kobject *cma_kobj_root;
On Wed, Mar 24, 2021 at 10:49:58PM +0300, Dmitry Osipenko wrote:
> 24.03.2021 22:43, Dmitry Osipenko пишет:
> > 24.03.2021 22:20, Minchan Kim пишет:
> >> static int __init cma_sysfs_init(void)
> >> {
> >> - int i = 0;
> >> + struct kobject *cma_kobj_root;
> >> + struct cma_kobject *cma_kobj;
>
On Wed, Mar 24, 2021 at 08:53:26PM +0100, David Hildenbrand wrote:
> On 24.03.21 20:45, John Hubbard wrote:
> > On 3/24/21 12:20 PM, Minchan Kim wrote:
> > > struct cma_stat's lifespan for cma_sysfs is different with
> > > struct cma because kobject for sysfs requires dynamic object
> > > while CMA
On 24.03.21 20:45, John Hubbard wrote:
On 3/24/21 12:20 PM, Minchan Kim wrote:
struct cma_stat's lifespan for cma_sysfs is different with
struct cma because kobject for sysfs requires dynamic object
while CMA is static object[1]. When CMA is initialized,
it couldn't use slab to allocate cma_stat
24.03.2021 22:43, Dmitry Osipenko пишет:
> 24.03.2021 22:20, Minchan Kim пишет:
>> static int __init cma_sysfs_init(void)
>> {
>> -int i = 0;
>> +struct kobject *cma_kobj_root;
>> +struct cma_kobject *cma_kobj;
>> struct cma *cma;
>> +unsigned int i;
>
>> while (--i >=
On Wed, Mar 24, 2021 at 10:43:49PM +0300, Dmitry Osipenko wrote:
> 24.03.2021 22:20, Minchan Kim пишет:
> > static int __init cma_sysfs_init(void)
> > {
> > - int i = 0;
> > + struct kobject *cma_kobj_root;
> > + struct cma_kobject *cma_kobj;
> > struct cma *cma;
> > + unsigned int i;
On 3/24/21 12:20 PM, Minchan Kim wrote:
struct cma_stat's lifespan for cma_sysfs is different with
struct cma because kobject for sysfs requires dynamic object
while CMA is static object[1]. When CMA is initialized,
it couldn't use slab to allocate cma_stat since slab was not
initialized yet. Thu
24.03.2021 22:20, Minchan Kim пишет:
> static int __init cma_sysfs_init(void)
> {
> - int i = 0;
> + struct kobject *cma_kobj_root;
> + struct cma_kobject *cma_kobj;
> struct cma *cma;
> + unsigned int i;
> while (--i >= 0) {
Do you realize that this doesn't work any
struct cma_stat's lifespan for cma_sysfs is different with
struct cma because kobject for sysfs requires dynamic object
while CMA is static object[1]. When CMA is initialized,
it couldn't use slab to allocate cma_stat since slab was not
initialized yet. Thus, it allocates the dynamic object
in subs
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