On 03.07.25 08:06, Aboorva Devarajan wrote:
From: Donet Tom <[email protected]>
PowerPC64 supports a 4PB virtual address space, but this test was
previously limited to 512TB. This patch extends the coverage up to
the full 4PB VA range on PowerPC64.
Memory from 0 to 128TB is allocated without an address hint, while
allocations from 128TB to 4PB use a hint address.
Signed-off-by: Donet Tom <[email protected]>
Signed-off-by: Aboorva Devarajan <[email protected]>
Comment applies to all patches in this series:
See Documentation/process/submitting-patches.rst, in particular "Example
of a patch submitted by a Co-developed-by: author::"
If you are a co-developer of any of these patches (and not simply resend
them without touching them), you should have a
Co-developed-by: Aboorva Devarajan <[email protected]>
above your Signed-off-by
---
tools/testing/selftests/mm/virtual_address_range.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/testing/selftests/mm/virtual_address_range.c
b/tools/testing/selftests/mm/virtual_address_range.c
index e24c36a39f22..619acf0b9239 100644
--- a/tools/testing/selftests/mm/virtual_address_range.c
+++ b/tools/testing/selftests/mm/virtual_address_range.c
@@ -50,6 +50,7 @@
#define NR_CHUNKS_256TB (NR_CHUNKS_128TB * 2UL)
#define NR_CHUNKS_384TB (NR_CHUNKS_128TB * 3UL)
#define NR_CHUNKS_3840TB (NR_CHUNKS_128TB * 30UL)
+#define NR_CHUNKS_3968TB (NR_CHUNKS_128TB * 31UL)
#define ADDR_MARK_128TB (1UL << 47) /* First address beyond 128TB */
#define ADDR_MARK_256TB (1UL << 48) /* First address beyond 256TB */
@@ -59,6 +60,11 @@
#define HIGH_ADDR_SHIFT 49
#define NR_CHUNKS_LOW NR_CHUNKS_256TB
#define NR_CHUNKS_HIGH NR_CHUNKS_3840TB
+#elif defined(__PPC64__)
+#define HIGH_ADDR_MARK ADDR_MARK_128TB
+#define HIGH_ADDR_SHIFT 48
+#define NR_CHUNKS_LOW NR_CHUNKS_128TB
+#define NR_CHUNKS_HIGH NR_CHUNKS_3968TB
#else
#define HIGH_ADDR_MARK ADDR_MARK_128TB
#define HIGH_ADDR_SHIFT 48
Acked-by: David Hildenbrand <[email protected]>
--
Cheers,
David / dhildenb
