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authorIngo Molnar <mingo@elte.hu>2008-07-16 00:29:07 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-16 00:29:07 +0200
commit82638844d9a8581bbf33201cc209a14876eca167 (patch)
tree961d7f9360194421a71aa644a9d0c176a960ce49 /include/asm-powerpc/pgtable-ppc64.h
parent9982fbface82893e77d211fbabfbd229da6bdde6 (diff)
parent63cf13b77ab785e87c867defa8545e6d4a989774 (diff)
downloadop-kernel-dev-82638844d9a8581bbf33201cc209a14876eca167.zip
op-kernel-dev-82638844d9a8581bbf33201cc209a14876eca167.tar.gz
Merge branch 'linus' into cpus4096
Conflicts: arch/x86/xen/smp.c kernel/sched_rt.c net/iucv/iucv.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-powerpc/pgtable-ppc64.h')
-rw-r--r--include/asm-powerpc/pgtable-ppc64.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h
index cc6a43b..7686569 100644
--- a/include/asm-powerpc/pgtable-ppc64.h
+++ b/include/asm-powerpc/pgtable-ppc64.h
@@ -314,6 +314,16 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
old = pte_update(mm, addr, ptep, _PAGE_RW, 0);
}
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+ unsigned long addr, pte_t *ptep)
+{
+ unsigned long old;
+
+ if ((pte_val(*ptep) & _PAGE_RW) == 0)
+ return;
+ old = pte_update(mm, addr, ptep, _PAGE_RW, 1);
+}
+
/*
* We currently remove entries from the hashtable regardless of whether
* the entry was young or dirty. The generic routines only flush if the
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