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hexagon: drop the unused variable zero_page_mask

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Hexagon arch does not seem to have subscribed to _HAVE_COLOR_ZERO_PAGE
framework.  Hence zero_page_mask variable is not needed.

Link: http://lkml.kernel.org/r/20180517061105.30447-1-khandual@linux.vnet.ibm.com
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Anshuman Khandual 2018-06-14 15:28:12 -07:00 committed by Linus Torvalds
parent 2738f359b1
commit 608dbdfb1f
2 changed files with 0 additions and 4 deletions
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1
arch/hexagon/include/asm/pgtable.h
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@ -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,

3
arch/hexagon/mm/init.c
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@ -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;