[PATCH 03/10] uml: don't redundantly mark pte as newpage in pte_modify

From: Paolo 'Blaisorblade' Giarrusso
Date: Wed Sep 21 2005 - 12:50:47 EST


From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>

pte_modify marks a page as needing flush, which is redundant because the
resulting PTE is still set with set_pte, which already handles that.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>
---

include/asm-um/pgtable.h | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h
--- a/include/asm-um/pgtable.h
+++ b/include/asm-um/pgtable.h
@@ -346,7 +346,6 @@ static inline void set_pte(pte_t *pteptr
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
pte_set_val(pte, (pte_val(pte) & _PAGE_CHG_MASK), newprot);
- if(pte_present(pte)) pte = pte_mknewpage(pte_mknewprot(pte));
return pte;
}


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/