Messages in this thread | | | Date | Thu, 11 Jan 2018 09:27:02 +0800 | From | Xishi Qiu <> | Subject | Re: [RFC] mm: why vfree() do not free page table memory? |
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On 2017/12/29 16:58, Xishi Qiu wrote:
> When calling vfree(), it calls unmap_vmap_area() to clear page table, > but do not free the memory of page table, why? just for performance? > > If a driver use vmalloc() and vfree() frequently, we will lost much > page table memory, maybe oom later. > > Thanks, > Xishi Qiu >
ping
> > . >
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