Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a32ad4...
Commit: a32ad4626776f09b30ef98a872a5f6fb64fe6607
Parent: 88b4c146961f4178f38a8c3e6e54709fa39a3f36
Author: Jeremy Fitzhardinge <jeremy@goop.org>
AuthorDate: Sun Sep 7 15:21:17 2008 -0700
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Mon Oct 13 10:21:05 2008 +0200
x86-64: don't check for map replacement
The check prevents flags on mappings from being changed, which is not
desireable. There's no need to check for replacing a mapping, and
x86-32 does not do this check.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/mm/init_64.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 5beb896..7c8bb46 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -196,9 +196,6 @@ set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte)
}
pte = pte_offset_kernel(pmd, vaddr);
- if (!pte_none(*pte) && pte_val(new_pte) &&
- pte_val(*pte) != (pte_val(new_pte) & __supported_pte_mask))
- pte_ERROR(*pte);
set_pte(pte, new_pte);
/*
--
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