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authorIngo Molnar <mingo@elte.hu>2009-02-22 14:05:19 -0500
committerIngo Molnar <mingo@elte.hu>2009-02-22 14:05:19 -0500
commitfc6fc7f1b1095b92d4834e69b385b91e412a7ce5 (patch)
tree2ad451d5dac4d460830536944cef1de93be36b2a /arch/x86/mm
parentef1f87aa7ba6224bef1b750b3272ba281d8f43ed (diff)
parent770824bdc421ff58a64db608294323571c949f4c (diff)
Merge branch 'linus' into x86/apic
Conflicts: arch/x86/mach-default/setup.c Semantic conflict resolution: arch/x86/kernel/setup.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/numa_64.c2
-rw-r--r--arch/x86/mm/pageattr.c15
2 files changed, 6 insertions, 11 deletions
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index deb1c1ab7868..64c9cf043cdd 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -166,7 +166,7 @@ int __init compute_hash_shift(struct bootnode *nodes, int numnodes,
166 return shift; 166 return shift;
167} 167}
168 168
169int early_pfn_to_nid(unsigned long pfn) 169int __meminit __early_pfn_to_nid(unsigned long pfn)
170{ 170{
171 return phys_to_nid(pfn << PAGE_SHIFT); 171 return phys_to_nid(pfn << PAGE_SHIFT);
172} 172}
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 8ca0d8566fc8..7be47d1a97e4 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -508,18 +508,13 @@ static int split_large_page(pte_t *kpte, unsigned long address)
508#endif 508#endif
509 509
510 /* 510 /*
511 * Install the new, split up pagetable. Important details here: 511 * Install the new, split up pagetable.
512 * 512 *
513 * On Intel the NX bit of all levels must be cleared to make a 513 * We use the standard kernel pagetable protections for the new
514 * page executable. See section 4.13.2 of Intel 64 and IA-32 514 * pagetable protections, the actual ptes set above control the
515 * Architectures Software Developer's Manual). 515 * primary protection behavior:
516 *
517 * Mark the entry present. The current mapping might be
518 * set to not present, which we preserved above.
519 */ 516 */
520 ref_prot = pte_pgprot(pte_mkexec(pte_clrhuge(*kpte))); 517 __set_pmd_pte(kpte, address, mk_pte(base, __pgprot(_KERNPG_TABLE)));
521 pgprot_val(ref_prot) |= _PAGE_PRESENT;
522 __set_pmd_pte(kpte, address, mk_pte(base, ref_prot));
523 base = NULL; 518 base = NULL;
524 519
525out_unlock: 520out_unlock: