Re: [PATCH v5 01/11] asm-generic/pgtable: Adds generic functions to monitor lockless pgtable walks

2019-10-05 Thread Aneesh Kumar K.V
On 10/3/19 5:21 PM, Peter Zijlstra wrote: On Thu, Oct 03, 2019 at 09:11:45AM +0200, Peter Zijlstra wrote: On Wed, Oct 02, 2019 at 10:33:15PM -0300, Leonardo Bras wrote: And I still think all that wrong, you really shouldn't need to wait on munmap(). I do have a patch that does som

[Bug 204789] Boot failure with more than 256G of memory on Power9 with 4K pages & Hash MMU

2019-10-05 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=204789 Samuel Holland (sam...@sholland.org) changed: What|Removed |Added CC||sam...@sholland.org

Re: [PATCH 1/3] powerpc/book3s64/hash/4k: 4k supports only 16TB linear mapping

2019-10-05 Thread Samuel Holland
Hello, On 9/17/19 9:57 AM, Aneesh Kumar K.V wrote: > With commit: 0034d395f89d ("powerpc/mm/hash64: Map all the kernel regions in > the > same 0xc range"), we now split the 64TB address range into 4 contexts each of > 16TB. That implies we can do only 16TB linear mapping. Make sure we don't > add