Re: [PATCH] page flags: prioritize kasan bits over last-cpuid

2019-08-06 Thread Arnd Bergmann
On Mon, Aug 5, 2019 at 10:19 PM Guenter Roeck wrote: > On Mon, Aug 05, 2019 at 09:57:59PM +0200, Arnd Bergmann wrote: > > On Mon, Aug 5, 2019 at 8:52 PM Guenter Roeck wrote: > > > On Mon, Aug 05, 2019 at 08:35:40PM +0200, Arnd Bergmann wrote: > > > > > > No. I see the failure in next-20190729..ne

Re: [PATCH] page flags: prioritize kasan bits over last-cpuid

2019-08-05 Thread Guenter Roeck
On Mon, Aug 05, 2019 at 09:57:59PM +0200, Arnd Bergmann wrote: > On Mon, Aug 5, 2019 at 8:52 PM Guenter Roeck wrote: > > On Mon, Aug 05, 2019 at 08:35:40PM +0200, Arnd Bergmann wrote: > > > On Mon, Aug 5, 2019 at 6:51 PM Guenter Roeck wrote: > > > > On Fri, Aug 02, 2019 at 09:49:02PM -0700, Arnd

Re: [PATCH] page flags: prioritize kasan bits over last-cpuid

2019-08-05 Thread Arnd Bergmann
On Mon, Aug 5, 2019 at 8:52 PM Guenter Roeck wrote: > On Mon, Aug 05, 2019 at 08:35:40PM +0200, Arnd Bergmann wrote: > > On Mon, Aug 5, 2019 at 6:51 PM Guenter Roeck wrote: > > > On Fri, Aug 02, 2019 at 09:49:02PM -0700, Arnd Bergmann wrote: > > > > ARM64 randdconfig builds regularly run into a b

Re: [PATCH] page flags: prioritize kasan bits over last-cpuid

2019-08-05 Thread Guenter Roeck
On Mon, Aug 05, 2019 at 08:35:40PM +0200, Arnd Bergmann wrote: > On Mon, Aug 5, 2019 at 6:51 PM Guenter Roeck wrote: > > > > On Fri, Aug 02, 2019 at 09:49:02PM -0700, Arnd Bergmann wrote: > > > ARM64 randdconfig builds regularly run into a build error, especially > > > when NUMA_BALANCING and SPAR

Re: [PATCH] page flags: prioritize kasan bits over last-cpuid

2019-08-05 Thread Arnd Bergmann
On Mon, Aug 5, 2019 at 6:51 PM Guenter Roeck wrote: > > On Fri, Aug 02, 2019 at 09:49:02PM -0700, Arnd Bergmann wrote: > > ARM64 randdconfig builds regularly run into a build error, especially > > when NUMA_BALANCING and SPARSEMEM are enabled but not SPARSEMEM_VMEMMAP: > > > > #error "KASAN: not

Re: [PATCH] page flags: prioritize kasan bits over last-cpuid

2019-08-05 Thread Guenter Roeck
On Fri, Aug 02, 2019 at 09:49:02PM -0700, Arnd Bergmann wrote: > ARM64 randdconfig builds regularly run into a build error, especially > when NUMA_BALANCING and SPARSEMEM are enabled but not SPARSEMEM_VMEMMAP: > > #error "KASAN: not enough bits in page flags for tag" > > The last-cpuid bits are

Re: [PATCH] page flags: prioritize kasan bits over last-cpuid

2019-03-07 Thread Andrey Konovalov
On Thu, Mar 7, 2019 at 8:51 AM Arnd Bergmann wrote: > > ARM64 randdconfig builds regularly run into a build error, especially > when NUMA_BALANCING and SPARSEMEM are enabled but not SPARSEMEM_VMEMMAP: > > #error "KASAN: not enough bits in page flags for tag" > > The last-cpuid bits are already co

[PATCH] page flags: prioritize kasan bits over last-cpuid

2019-03-06 Thread Arnd Bergmann
ARM64 randdconfig builds regularly run into a build error, especially when NUMA_BALANCING and SPARSEMEM are enabled but not SPARSEMEM_VMEMMAP: #error "KASAN: not enough bits in page flags for tag" The last-cpuid bits are already contitional on the available space, so the result of the calculatio