* [RFC] hexagon: Drop the unused variable zero_page_mask
@ 2018-05-17 6:11 Anshuman Khandual
0 siblings, 0 replies; only message in thread
From: Anshuman Khandual @ 2018-05-17 6:11 UTC (permalink / raw)
To: rkuo, linux, vdavydov.dev, akpm, hannes
Cc: linux-hexagon, linux-kernel, linux-mm
Hexagon arch does not seem to have subscribed to _HAVE_COLOR_ZERO_PAGE
framework. Hence zero_page_mask variable is not needed.
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
---
I will have to request some one with hexagon system to compile and
test this patch. Dont have access to hardware.
arch/hexagon/include/asm/pgtable.h | 1 -
arch/hexagon/mm/init.c | 3 ---
2 files changed, 4 deletions(-)
diff --git a/arch/hexagon/include/asm/pgtable.h b/arch/hexagon/include/asm/pgtable.h
index aef02f7ca8aa..65125d0b02dd 100644
--- a/arch/hexagon/include/asm/pgtable.h
+++ b/arch/hexagon/include/asm/pgtable.h
@@ -30,7 +30,6 @@
/* A handy thing to have if one has the RAM. Declared in head.S */
extern unsigned long empty_zero_page;
-extern unsigned long zero_page_mask;
/*
* The PTE model described here is that of the Hexagon Virtual Machine,
diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c
index 192584d5ac2f..1495d45e472d 100644
--- a/arch/hexagon/mm/init.c
+++ b/arch/hexagon/mm/init.c
@@ -39,9 +39,6 @@ unsigned long __phys_offset; /* physical kernel offset >> 12 */
/* Set as variable to limit PMD copies */
int max_kernel_seg = 0x303;
-/* think this should be (page_size-1) the way it's used...*/
-unsigned long zero_page_mask;
-
/* indicate pfn's of high memory */
unsigned long highstart_pfn, highend_pfn;
--
2.11.0
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