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authorMel Gorman <mgorman@suse.de>2015-02-13 01:58:28 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-13 05:54:08 +0300
commit4d9424669946532be754a6e116618dcb58430cb4 (patch)
treeccebf7f5dbb8773bb774551d21cd95d0f30b6766 /mm/pgtable-generic.c
parent842915f56667f9eebd85932f08c79565148c26d6 (diff)
downloadlinux-4d9424669946532be754a6e116618dcb58430cb4.tar.xz
mm: convert p[te|md]_mknonnuma and remaining page table manipulations
With PROT_NONE, the traditional page table manipulation functions are sufficient. [andre.przywara@arm.com: fix compiler warning in pmdp_invalidate()] [akpm@linux-foundation.org: fix build with STRICT_MM_TYPECHECKS] Signed-off-by: Mel Gorman <mgorman@suse.de> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com> Tested-by: Sasha Levin <sasha.levin@oracle.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dave Jones <davej@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Kirill Shutemov <kirill.shutemov@linux.intel.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/pgtable-generic.c')
-rw-r--r--mm/pgtable-generic.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
index 4b8ad760dde3..c25f94b33811 100644
--- a/mm/pgtable-generic.c
+++ b/mm/pgtable-generic.c
@@ -193,8 +193,6 @@ void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
pmd_t *pmdp)
{
pmd_t entry = *pmdp;
- if (pmd_protnone(entry))
- entry = pmd_mknonnuma(entry);
set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(entry));
flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
}