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authorH. Peter Anvin <hpa@zytor.com>2010-02-22 16:20:34 -0800
committerH. Peter Anvin <hpa@zytor.com>2010-02-22 16:20:34 -0800
commitd02e30c31c57683a66ed68a1bcff900ca78f6d56 (patch)
treec3ce99a00061bcc1199b50fa838147d876c56717 /arch/powerpc/mm
parent0fdc7a8022c3eaff6b5ee27ffb9e913e5e58d8e9 (diff)
parentaef55d4922e62a0d887e60d87319f3718aec6ced (diff)
Merge branch 'x86/irq' into x86/apic
Merge reason: Conflicts in arch/x86/kernel/apic/io_apic.c Resolved Conflicts: arch/x86/kernel/apic/io_apic.c Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/mmap_64.c4
-rw-r--r--arch/powerpc/mm/tlb_hash64.c12
2 files changed, 11 insertions, 5 deletions
diff --git a/arch/powerpc/mm/mmap_64.c b/arch/powerpc/mm/mmap_64.c
index 0d957a4c70fe..5a783d8e8e8e 100644
--- a/arch/powerpc/mm/mmap_64.c
+++ b/arch/powerpc/mm/mmap_64.c
@@ -47,7 +47,7 @@ static inline int mmap_is_legacy(void)
if (current->personality & ADDR_COMPAT_LAYOUT)
return 1;
- if (current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY)
+ if (rlimit(RLIMIT_STACK) == RLIM_INFINITY)
return 1;
return sysctl_legacy_va_layout;
@@ -77,7 +77,7 @@ static unsigned long mmap_rnd(void)
static inline unsigned long mmap_base(void)
{
- unsigned long gap = current->signal->rlim[RLIMIT_STACK].rlim_cur;
+ unsigned long gap = rlimit(RLIMIT_STACK);
if (gap < MIN_GAP)
gap = MIN_GAP;
diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c
index 282d9306361f..1ec06576f619 100644
--- a/arch/powerpc/mm/tlb_hash64.c
+++ b/arch/powerpc/mm/tlb_hash64.c
@@ -63,15 +63,21 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
if (huge) {
#ifdef CONFIG_HUGETLB_PAGE
psize = get_slice_psize(mm, addr);
+ /* Mask the address for the correct page size */
+ addr &= ~((1UL << mmu_psize_defs[psize].shift) - 1);
#else
BUG();
psize = pte_pagesize_index(mm, addr, pte); /* shutup gcc */
#endif
- } else
+ } else {
psize = pte_pagesize_index(mm, addr, pte);
+ /* Mask the address for the standard page size. If we
+ * have a 64k page kernel, but the hardware does not
+ * support 64k pages, this might be different from the
+ * hardware page size encoded in the slice table. */
+ addr &= PAGE_MASK;
+ }
- /* Mask the address for the correct page size */
- addr &= ~((1UL << mmu_psize_defs[psize].shift) - 1);
/* Build full vaddr */
if (!is_kernel_addr(addr)) {