* Christoph Lameter ([email protected]) wrote:
> void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags)
> @@ -1577,7 +1590,10 @@ static void __slab_free(struct kmem_cach
> {
> void *prior;
> void **object = (void *)x;
> + unsigned long flags;
>
> + local_irq_save(flags);
> + put_cpu_no_resched();
Those two lines may skip a preempt_check.
Could we change them to this instead ?
put_cpu();
local_irq_save(flags);
Otherwise, it would be good to call
preempt_check_resched();
After each local_irq_restore() in this function.
Mathieu
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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