[RFC v2 PATCH 1/3] mm: add PG2KB/KB2PG helper macros

[Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>]

Signed-off-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>
---
 include/linux/mm.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 00bb2d938df4..0a7e950ac8aa 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -98,6 +98,9 @@ extern int mmap_rnd_compat_bits __read_mostly;
 #include <asm/page.h>
 #include <asm/processor.h>
 
+#define PG2KB(x)	((x) << (PAGE_SHIFT - 10))
+#define KB2PG(x)	((x) >> (PAGE_SHIFT - 10))
+
 /*
  * Architectures that support memory tagging (assigning tags to memory regions,
  * embedding these tags into addresses that point to these memory regions, and
-- 
2.33.0