| Date | Thu, 16 Apr 2020 13:43:14 -0700 | From | Minchan Kim <> | Subject | Re: [PATCH 11/29] mm: only allow page table mappings for built-in zsmalloc |
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On Tue, Apr 14, 2020 at 03:13:30PM +0200, Christoph Hellwig wrote: > This allows to unexport map_vm_area and unmap_kernel_range, which are > rather deep internal and should not be available to modules, as they for > example allow fine grained control of mapping permissions, and also > allow splitting the setup of a vmalloc area and the actual mapping and > thus expose vmalloc internals. > > zsmalloc is typically built-in and continues to work (just like the > percpu-vm code using a similar patter), while modular zsmalloc also > continues to work, but must use copies. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Minchan Kim <minchan@kernel.org>
Thanks!
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