回复: [PATCH v3] mm/slab.c: add node spinlock protect in __cache_free_alien

2020-07-31 Thread Zhang, Qiang
发件人: Zhang, Qiang 发送时间: 2020年7月31日 9:27 收件人: David Rientjes 抄送: c...@linux.com; penb...@kernel.org; iamjoonsoo@lge.com; a...@linux-foundation.org; linux...@kvack.org; linux-kernel@vger.kernel.org 主题: 回复: [PATCH v3] mm/slab.c: add node spinlock

回复: [PATCH v3] mm/slab.c: add node spinlock protect in __cache_free_alien

2020-07-30 Thread Zhang, Qiang
发件人: David Rientjes 发送时间: 2020年7月31日 7:45 收件人: Zhang, Qiang 抄送: c...@linux.com; penb...@kernel.org; iamjoonsoo@lge.com; a...@linux-foundation.org; linux...@kvack.org; linux-kernel@vger.kernel.org 主题: Re: [PATCH v3] mm/slab.c: add node spinlock

Re: [PATCH v3] mm/slab.c: add node spinlock protect in __cache_free_alien

2020-07-30 Thread David Rientjes
On Thu, 30 Jul 2020, qiang.zh...@windriver.com wrote: > From: Zhang Qiang > > for example: > node0 > cpu0cpu1 > slab_dead_cpu >>mutex_lock(&slab_mutex) > >cpuup_canceledslab_dead_

[PATCH v3] mm/slab.c: add node spinlock protect in __cache_free_alien

2020-07-30 Thread qiang.zhang
From: Zhang Qiang for example: node0 cpu0cpu1 slab_dead_cpu >mutex_lock(&slab_mutex) >cpuup_canceledslab_dead_cpu >mask = cpumask_of_node(node) >mutex_lock(