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mm, x86: fix HIGHMEM64 && PARAVIRT build config for native_pud_clear() 

Looks like I also missed the build config that includes
CONFIG_HIGHMEM64G && CONFIG_PARAVIRT to export the native_pud_clear()
dummy function.

Fixes: a00cc7d9dd ("mm, x86: add support for PUD-sized transparent hugepages")
Link: http://lkml.kernel.org/r/148823188084.56076.17451228917824355200.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reported-by: Laura Abbott <labbott@redhat.com>
Reported-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dave Jiang 2017-02-27 14:30:25 -08:00 committed by Linus Torvalds
parent 2959a5f726
commit 3e761a42e1
1 changed files with 2 additions and 1 deletions
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3
arch/x86/include/asm/pgtable-3level.h
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@ -121,7 +121,8 @@ static inline void native_pmd_clear(pmd_t *pmd)
*(tmp + 1) = 0;
}
#ifndef CONFIG_SMP
#if !defined(CONFIG_SMP) || (defined(CONFIG_HIGHMEM64G) && \
defined(CONFIG_PARAVIRT))
static inline void native_pud_clear(pud_t *pudp)
{
}