Thread (19 messages) 19 messages, 3 authors, 2021-08-03

Re: [kvm-unit-tests PATCH 2/4] s390x: lib: Introduce HPAGE_* constants

From: Thomas Huth <hidden>
Date: 2021-07-30 14:46:39
Also in: linux-s390

On 29/07/2021 15.48, Janosch Frank wrote:
quoted hunk ↗ jump to hunk
They come in handy when working with 1MB blocks/addresses.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
---
  lib/s390x/asm/page.h | 4 ++++
  1 file changed, 4 insertions(+)
diff --git a/lib/s390x/asm/page.h b/lib/s390x/asm/page.h
index f130f936..2f4afd06 100644
--- a/lib/s390x/asm/page.h
+++ b/lib/s390x/asm/page.h
@@ -35,4 +35,8 @@ typedef struct { pteval_t pte; } pte_t;
  #define __pmd(x)	((pmd_t) { (x) } )
  #define __pte(x)	((pte_t) { (x) } )
  
+#define HPAGE_SHIFT		20
+#define HPAGE_SIZE		(_AC(1,UL) << HPAGE_SHIFT)
+#define HPAGE_MASK		(~(HPAGE_SIZE-1))
+
  #endif
Reviewed-by: Thomas Huth <redacted>
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help