Thread (75 messages) 75 messages, 8 authors, 2018-02-13

Re: [PATCH v2 09/15] MIPS: memblock: Simplify DMA contiguous reservation

From: Matt Redfearn <hidden>
Date: 2018-02-13 14:09:52
Also in: lkml

Hi Serge,

On 02/02/18 03:54, Serge Semin wrote:
CMA reserves it areas in the memblock allocator. Since we aren't
using bootmem anymore, the reservations copying should be discarded.

Signed-off-by: Serge Semin <redacted>
Looks good to me

Reviewed-by: Matt Redfearn <redacted>

Thanks,
Matt
quoted hunk ↗ jump to hunk
---
  arch/mips/kernel/setup.c | 6 +-----
  1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 54302319ce1c..158a52c17e29 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -755,7 +755,7 @@ static void __init request_crashkernel(struct resource *res)
  
  static void __init arch_mem_init(char **cmdline_p)
  {
-	struct memblock_region *reg;
+	struct memblock_region *reg __maybe_unused;
  	extern void plat_mem_setup(void);
  
  	/* call board setup routine */
@@ -846,10 +846,6 @@ static void __init arch_mem_init(char **cmdline_p)
  	plat_swiotlb_setup();
  
  	dma_contiguous_reserve(PFN_PHYS(max_low_pfn));
-	/* Tell bootmem about cma reserved memblock section */
-	for_each_memblock(reserved, reg)
-		if (reg->size != 0)
-			reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
  }
  
  static void __init resource_init(void)
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