2021-11-16 00:05:00

by Zi Yan

[permalink] [raw]
Subject: [RFC PATCH 3/3] arch: powerpc: adjust fadump alignment to pageblock aligned.

From: Zi Yan <[email protected]>

CMA only requires pageblock alignment. Change fadump too.

Signed-off-by: Zi Yan <[email protected]>
---
arch/powerpc/include/asm/fadump-internal.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/powerpc/include/asm/fadump-internal.h b/arch/powerpc/include/asm/fadump-internal.h
index 8d61c8f3fec4..9198f20b6b68 100644
--- a/arch/powerpc/include/asm/fadump-internal.h
+++ b/arch/powerpc/include/asm/fadump-internal.h
@@ -20,9 +20,7 @@
#define memblock_num_regions(memblock_type) (memblock.memblock_type.cnt)

/* Alignment per CMA requirement. */
-#define FADUMP_CMA_ALIGNMENT (PAGE_SIZE << \
- max_t(unsigned long, MAX_ORDER - 1, \
- pageblock_order))
+#define FADUMP_CMA_ALIGNMENT (PAGE_SIZE << pageblock_order)

/* FAD commands */
#define FADUMP_REGISTER 1
--
2.33.0