Re: [PATCH v3 0/7] binder: eliminate use of vmalloc space for binder buffers

2019-02-11 Thread Christoph Hellwig
On Fri, Feb 08, 2019 at 10:35:13AM -0800, Todd Kjos wrote: > Binder buffers have always been mapped into kernel space > via map_kernel_range_noflush() to allow the binder driver > to modify the buffer before posting to userspace for > processing. > > In recent Android releases, the number of long-

[PATCH v3 0/7] binder: eliminate use of vmalloc space for binder buffers

2019-02-08 Thread Todd Kjos
Binder buffers have always been mapped into kernel space via map_kernel_range_noflush() to allow the binder driver to modify the buffer before posting to userspace for processing. In recent Android releases, the number of long-running binder processes has increased to the point that for 32-bit sys