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[RFC,3/3] arch: powerpc: adjust fadump alignment to be pageblock aligned.

Message ID 20211115193725.737539-4-zi.yan@sent.com (mailing list archive)
State New
Headers show
Series Use pageblock_order for cma and alloc_contig_range alignment. | expand

Commit Message

Zi Yan Nov. 15, 2021, 7:37 p.m. UTC 
From: Zi Yan <ziy@nvidia.com>

CMA only requires pageblock alignment now. Change CMA alignment in
fadump too.

Signed-off-by: Zi Yan <ziy@nvidia.com>
---
 arch/powerpc/include/asm/fadump-internal.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
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Patch

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