Since ion alloc can be called by userspace,eg gralloc.
When it is called frequently, the efficiency of kswapd is
to low. And the reclaimed memory is too lower. In this way,
the kswapd can use to much cpu resources.
With 3.5GB DMA Zone and 0.5 Normal Zone.
pgsteal_kswapd_dma 9364140
pgsteal_kswapd
On 01/12/2016 03:14 AM, Chen Feng wrote:
Since ion alloc can be called by userspace,eg gralloc.
When it is called frequently, the efficiency of kswapd is
to low. And the reclaimed memory is too lower. In this way,
the kswapd can use to much cpu resources.
With 3.5GB DMA Zone and 0.5 Normal Zone.
Since ion alloc can be called by userspace,eg gralloc.
When it is called frequently, the efficiency of kswapd is
to low. And the reclaimed memory is too lower. In this way,
the kswapd can use to much cpu resources.
With 3.5GB DMA Zone and 0.5 Normal Zone.
pgsteal_kswapd_dma 9364140
pgsteal_kswapd