Maksytka/linux
1
1
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-12-01 07:26:02 +07:00
Code Issues Packages Projects Releases Wiki Activity

workqueue: Basic memory allocation profiling support

Browse Source 
Hook alloc_workqueue and alloc_workqueue_attrs() so that they're
accounted to the callsite. Since we're doing allocations on behalf of
another subsystem, this helps when using memory allocation profiling to
check for leaks.

Cc: Tejun Heo <tj@kernel.org>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Kent Overstreet
2025-06-16 13:59:20 -04:00
committed by Tejun Heo
parent 0998f0ac30
commit fda6add924
2 changed files with 15 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
kernel/workqueue.c
View File

@@ -4626,7 +4626,7 @@ void free_workqueue_attrs(struct workqueue_attrs *attrs)
*
* Return: The allocated new workqueue_attr on success. %NULL on failure.
*/
struct workqueue_attrs *alloc_workqueue_attrs(void)
struct workqueue_attrs *alloc_workqueue_attrs_noprof(void)
{
struct workqueue_attrs *attrs;
@@ -5679,12 +5679,12 @@ static struct workqueue_struct *__alloc_workqueue(const char *fmt,
else
wq_size = sizeof(*wq);
wq = kzalloc(wq_size, GFP_KERNEL);
wq = kzalloc_noprof(wq_size, GFP_KERNEL);
if (!wq)
return NULL;
if (flags & WQ_UNBOUND) {
wq->unbound_attrs = alloc_workqueue_attrs();
wq->unbound_attrs = alloc_workqueue_attrs_noprof();
if (!wq->unbound_attrs)
goto err_free_wq;
}
@@ -5774,9 +5774,9 @@ err_destroy:
}
__printf(1, 4)
struct workqueue_struct *alloc_workqueue(const char *fmt,
unsigned int flags,
int max_active, ...)
struct workqueue_struct *alloc_workqueue_noprof(const char *fmt,
unsigned int flags,
int max_active, ...)
{
struct workqueue_struct *wq;
va_list args;
@@ -5791,7 +5791,7 @@ struct workqueue_struct *alloc_workqueue(const char *fmt,
return wq;
}
EXPORT_SYMBOL_GPL(alloc_workqueue);
EXPORT_SYMBOL_GPL(alloc_workqueue_noprof);
#ifdef CONFIG_LOCKDEP
__printf(1, 5)