Re: [PATCH 1/3] percpu: Add alloc_percpu_aligned()

2017-08-02 Thread Huang, Ying
Christopher Lameter writes: > On Wed, 2 Aug 2017, Huang, Ying wrote: > >> --- a/include/linux/percpu.h >> +++ b/include/linux/percpu.h >> @@ -129,5 +129,8 @@ extern phys_addr_t per_cpu_ptr_to_phys(void *addr); >> #define alloc_percpu(type) \ >> (type

Re: [PATCH 1/3] percpu: Add alloc_percpu_aligned()

2017-08-02 Thread Christopher Lameter
On Wed, 2 Aug 2017, Huang, Ying wrote: > --- a/include/linux/percpu.h > +++ b/include/linux/percpu.h > @@ -129,5 +129,8 @@ extern phys_addr_t per_cpu_ptr_to_phys(void *addr); > #define alloc_percpu(type) \ > (typeof(type) __percpu *)__alloc_percpu(s

[PATCH 1/3] percpu: Add alloc_percpu_aligned()

2017-08-02 Thread Huang, Ying
From: Huang Ying To allocate percpu memory that is aligned with cache line size dynamically. We can statically allocate percpu memory that is aligned with cache line size with DEFINE_PER_CPU_ALIGNED(), but we have no correspondent API for dynamic allocation. Signed-off-by: "Huang, Ying" Cc: Te