diff options
| author | Michael Ellerman <mpe@ellerman.id.au> | 2017-11-10 20:55:03 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-11-10 20:55:03 +1100 |
| commit | a54c61f46e25345e99eec06a402f746fe33febc6 (patch) | |
| tree | 23f59fe8702aaf90802cef6f25e76c15211747e1 /arch/powerpc/platforms | |
| parent | 77fad8bfb1d2f8225b05e4ea34457875fcfae37e (diff) | |
| parent | 7ecb37f62fe58e3e4d9b03443b92d213b2c108ce (diff) | |
Merge branch 'fixes' into next
We have some dependencies & conflicts between patches in fixes and
things to go in next, both in the radix TLB flush code and the IMC PMU
driver. So merge fixes into next.
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/powernv/setup.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index 62f4a5ad8594..1edfbc1e40f4 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c @@ -273,7 +273,15 @@ static void pnv_kexec_cpu_down(int crash_shutdown, int secondary) #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE static unsigned long pnv_memory_block_size(void) { - return 256UL * 1024 * 1024; + /* + * We map the kernel linear region with 1GB large pages on radix. For + * memory hot unplug to work our memory block size must be at least + * this size. + */ + if (radix_enabled()) + return 1UL * 1024 * 1024 * 1024; + else + return 256UL * 1024 * 1024; } #endif |