[PATCH 3/3] powerpc: Use PFN_PHYS() to avoid truncating the physical address
Emil Medve
Emilian.Medve at Freescale.com
Tue Mar 25 20:40:14 EST 2014
Signed-off-by: Emil Medve <Emilian.Medve at Freescale.com>
---
This is a small cleanup
arch/powerpc/include/asm/io.h | 2 +-
arch/powerpc/include/asm/page.h | 2 +-
arch/powerpc/include/asm/pgalloc-32.h | 2 +-
arch/powerpc/include/asm/rtas.h | 3 ++-
arch/powerpc/kernel/crash_dump.c | 2 +-
arch/powerpc/kernel/eeh.c | 4 +---
arch/powerpc/kernel/io-workarounds.c | 2 +-
arch/powerpc/kernel/pci-common.c | 2 +-
arch/powerpc/kernel/vdso.c | 6 +++---
arch/powerpc/kvm/book3s_64_mmu_host.c | 2 +-
arch/powerpc/kvm/book3s_64_mmu_hv.c | 5 ++---
arch/powerpc/kvm/book3s_hv.c | 10 +++++-----
arch/powerpc/kvm/book3s_hv_rm_mmu.c | 4 ++--
arch/powerpc/kvm/e500_mmu_host.c | 5 ++---
arch/powerpc/mm/hugepage-hash64.c | 2 +-
arch/powerpc/mm/hugetlbpage-book3e.c | 2 +-
arch/powerpc/mm/hugetlbpage-hash64.c | 2 +-
arch/powerpc/mm/mem.c | 9 ++++-----
arch/powerpc/mm/numa.c | 13 +++++++------
arch/powerpc/platforms/powernv/opal-dump.c | 2 +-
arch/powerpc/platforms/powernv/opal-flash.c | 2 +-
arch/powerpc/platforms/pseries/iommu.c | 8 ++++----
22 files changed, 44 insertions(+), 47 deletions(-)
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index 97d3869..8f7af05 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -790,7 +790,7 @@ static inline void * phys_to_virt(unsigned long address)
/*
* Change "struct page" to physical address.
*/
-#define page_to_phys(page) ((phys_addr_t)page_to_pfn(page) << PAGE_SHIFT)
+#define page_to_phys(page) PFN_PHYS(page_to_pfn(page))
/*
* 32 bits still uses virt_to_bus() for it's implementation of DMA
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 32e4e21..7193d45 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -131,7 +131,7 @@ extern long long virt_phys_offset;
#endif
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
+#define pfn_to_kaddr(pfn) __va(PFN_PHYS(pfn))
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
/*
diff --git a/arch/powerpc/include/asm/pgalloc-32.h b/arch/powerpc/include/asm/pgalloc-32.h
index 842846c..3d19a8e 100644
--- a/arch/powerpc/include/asm/pgalloc-32.h
+++ b/arch/powerpc/include/asm/pgalloc-32.h
@@ -24,7 +24,7 @@ extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
#define pmd_populate_kernel(mm, pmd, pte) \
(pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT)
#define pmd_populate(mm, pmd, pte) \
- (pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT)
+ (pmd_val(*(pmd)) = PFN_PHYS(page_to_pfn(pte)) | _PMD_PRESENT)
#define pmd_pgtable(pmd) pmd_page(pmd)
#else
#define pmd_populate_kernel(mm, pmd, pte) \
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index a0e1add..0d33d22 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -3,6 +3,7 @@
#ifdef __KERNEL__
#include <linux/spinlock.h>
+#include <linux/pfn.h>
#include <asm/page.h>
/*
@@ -357,7 +358,7 @@ extern void rtas_take_timebase(void);
#ifdef CONFIG_PPC_RTAS
static inline int page_is_rtas_user_buf(unsigned long pfn)
{
- unsigned long paddr = (pfn << PAGE_SHIFT);
+ unsigned long paddr = PFN_PHYS(pfn);
if (paddr >= rtas_rmo_buf && paddr < (rtas_rmo_buf + RTAS_RMOBUF_MAX))
return 1;
return 0;
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 7a13f37..a46a9c2 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -104,7 +104,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
return 0;
csize = min_t(size_t, csize, PAGE_SIZE);
- paddr = pfn << PAGE_SHIFT;
+ paddr = PFN_PHYS(pfn);
if (memblock_is_region_memory(paddr, csize)) {
vaddr = __va(paddr);
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index e7b76a6..4b2f587 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -270,7 +270,6 @@ void eeh_slot_error_detail(struct eeh_pe *pe, int severity)
static inline unsigned long eeh_token_to_phys(unsigned long token)
{
pte_t *ptep;
- unsigned long pa;
int hugepage_shift;
/*
@@ -280,9 +279,8 @@ static inline unsigned long eeh_token_to_phys(unsigned long token)
if (!ptep)
return token;
WARN_ON(hugepage_shift);
- pa = pte_pfn(*ptep) << PAGE_SHIFT;
- return pa | (token & (PAGE_SIZE-1));
+ return PFN_PHYS(pte_pfn(*ptep)) | (token & (PAGE_SIZE-1));
}
/*
diff --git a/arch/powerpc/kernel/io-workarounds.c b/arch/powerpc/kernel/io-workarounds.c
index 24b968f..dd9a4a2 100644
--- a/arch/powerpc/kernel/io-workarounds.c
+++ b/arch/powerpc/kernel/io-workarounds.c
@@ -81,7 +81,7 @@ struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR addr)
* we don't have hugepages backing iomem
*/
WARN_ON(hugepage_shift);
- paddr = pte_pfn(*ptep) << PAGE_SHIFT;
+ paddr = PFN_PHYS(pte_pfn(*ptep));
}
bus = iowa_pci_find(vaddr, paddr);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index d9476c1..756cdd8 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -391,7 +391,7 @@ pgprot_t pci_phys_mem_access_prot(struct file *file,
{
struct pci_dev *pdev = NULL;
struct resource *found = NULL;
- resource_size_t offset = ((resource_size_t)pfn) << PAGE_SHIFT;
+ resource_size_t offset = PFN_PHYS(pfn);
int i;
if (page_is_ram(pfn))
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index ce74c33..d8095ad 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -144,12 +144,12 @@ struct lib64_elfinfo
#ifdef __DEBUG
static void dump_one_vdso_page(struct page *pg, struct page *upg)
{
- printk("kpg: %p (c:%d,f:%08lx)", __va(page_to_pfn(pg) << PAGE_SHIFT),
+ printk("kpg: %p (c:%d,f:%08lx)", __va(PFN_PHYS(page_to_pfn(pg)));
page_count(pg),
pg->flags);
if (upg && !IS_ERR(upg) /* && pg != upg*/) {
- printk(" upg: %p (c:%d,f:%08lx)", __va(page_to_pfn(upg)
- << PAGE_SHIFT),
+ printk(" upg: %p (c:%d,f:%08lx)",
+ __va(PFN_PHYS(page_to_pfn(upg))),
page_count(upg),
upg->flags);
}
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index 0d513af..4dbdba6 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -110,7 +110,7 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte,
r = -EINVAL;
goto out;
}
- hpaddr = pfn << PAGE_SHIFT;
+ hpaddr = PFN_PHYS(pfn);
/* and write the mapping ea -> hpa into the pt */
vcpu->arch.mmu.esid_to_vsid(vcpu, orig_pte->eaddr >> SID_SHIFT, &vsid);
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 303ece7..b31a650 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -342,8 +342,7 @@ static long kvmppc_get_guest_page(struct kvm *kvm, unsigned long gfn,
spin_lock(&kvm->arch.slot_phys_lock);
for (i = 0; i < npages; ++i) {
if (!physp[i]) {
- physp[i] = ((pfn + i) << PAGE_SHIFT) +
- got + is_io + pgorder;
+ physp[i] = PFN_PHYS(pfn + i) + got + is_io + pgorder;
got = 0;
}
}
@@ -718,7 +717,7 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
*/
if (psize < PAGE_SIZE)
psize = PAGE_SIZE;
- r = (r & ~(HPTE_R_PP0 - psize)) | ((pfn << PAGE_SHIFT) & ~(psize - 1));
+ r = (r & ~(HPTE_R_PP0 - psize)) | (PFN_PHYS(pfn) & ~(psize - 1));
if (hpte_is_writable(r) && !write_ok)
r = hpte_make_readonly(r);
ret = RESUME_GUEST;
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 17fc949..3c4f96b 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2131,10 +2131,11 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
/* POWER7 */
lpcr_mask = LPCR_VPM0 | LPCR_VRMA_L | LPCR_RMLS;
lpcr = rmls << LPCR_RMLS_SH;
- kvm->arch.rmor = ri->base_pfn << PAGE_SHIFT;
+ kvm->arch.rmor = PFN_PHYS(ri->base_pfn);
}
- pr_info("KVM: Using RMO at %lx size %lx (LPCR = %lx)\n",
- ri->base_pfn << PAGE_SHIFT, rma_size, lpcr);
+ pr_info("KVM: Using RMO at %llx size %lx (LPCR = %lx)\n",
+ (unsigned long long)PFN_PHYS(ri->base_pfn),
+ rma_size, lpcr);
/* Initialize phys addrs of pages in RMO */
npages = kvm_rma_pages;
@@ -2145,8 +2146,7 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
npages = memslot->npages;
spin_lock(&kvm->arch.slot_phys_lock);
for (i = 0; i < npages; ++i)
- physp[i] = ((ri->base_pfn + i) << PAGE_SHIFT) +
- porder;
+ physp[i] = PFN_PHYS(ri->base_pfn + i) + porder;
spin_unlock(&kvm->arch.slot_phys_lock);
}
}
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
index 37fb3ca..4522fc1 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
@@ -31,7 +31,7 @@ static void *real_vmalloc_addr(void *x)
if (!p || !pte_present(*p))
return NULL;
/* assume we don't have huge pages in vmalloc space... */
- addr = (pte_pfn(*p) << PAGE_SHIFT) | (addr & ~PAGE_MASK);
+ addr = PFN_PHYS(pte_pfn(*p)) | (addr & ~PAGE_MASK);
return __va(addr);
}
@@ -239,7 +239,7 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
/* make the actual HPTE be read-only */
ptel = hpte_make_readonly(ptel);
is_io = hpte_cache_bits(pte_val(pte));
- pa = pte_pfn(pte) << PAGE_SHIFT;
+ pa = PFN_PHYS(pte_pfn(pte));
pa |= hva & (pte_size - 1);
pa |= gpa & ~PAGE_MASK;
}
diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
index dd2cc03..2368e2c 100644
--- a/arch/powerpc/kvm/e500_mmu_host.c
+++ b/arch/powerpc/kvm/e500_mmu_host.c
@@ -168,8 +168,7 @@ void kvmppc_map_magic(struct kvm_vcpu *vcpu)
magic.mas1 = MAS1_VALID | MAS1_TS | MAS1_TID(stid) |
MAS1_TSIZE(BOOK3E_PAGESZ_4K);
magic.mas2 = vcpu->arch.magic_page_ea | MAS2_M;
- magic.mas7_3 = ((u64)pfn << PAGE_SHIFT) |
- MAS3_SW | MAS3_SR | MAS3_UW | MAS3_UR;
+ magic.mas7_3 = PFN_PHYS(pfn) | MAS3_SW | MAS3_SR | MAS3_UW | MAS3_UR;
magic.mas8 = 0;
__write_host_tlbe(&magic, MAS0_TLBSEL(1) | MAS0_ESEL(tlbcam_index));
@@ -311,7 +310,7 @@ static void kvmppc_e500_setup_stlbe(
/* Force IPROT=0 for all guest mappings. */
stlbe->mas1 = MAS1_TSIZE(tsize) | get_tlb_sts(gtlbe) | MAS1_VALID;
stlbe->mas2 = (gvaddr & MAS2_EPN) | (ref->flags & E500_TLB_MAS2_ATTR);
- stlbe->mas7_3 = ((u64)pfn << PAGE_SHIFT) |
+ stlbe->mas7_3 = PFN_PHYS(pfn) |
e500_shadow_mas3_attrib(gtlbe->mas7_3, pr);
#ifdef CONFIG_KVM_BOOKE_HV
diff --git a/arch/powerpc/mm/hugepage-hash64.c b/arch/powerpc/mm/hugepage-hash64.c
index 826893f..5004539 100644
--- a/arch/powerpc/mm/hugepage-hash64.c
+++ b/arch/powerpc/mm/hugepage-hash64.c
@@ -118,7 +118,7 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid,
unsigned long hpte_group;
/* insert new entry */
- pa = pmd_pfn(__pmd(old_pmd)) << PAGE_SHIFT;
+ pa = PFN_PHYS(pmd_pfn(__pmd(old_pmd)));
repeat:
hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
diff --git a/arch/powerpc/mm/hugetlbpage-book3e.c b/arch/powerpc/mm/hugetlbpage-book3e.c
index 5e4ee25..1c94b28 100644
--- a/arch/powerpc/mm/hugetlbpage-book3e.c
+++ b/arch/powerpc/mm/hugetlbpage-book3e.c
@@ -123,7 +123,7 @@ void book3e_hugetlb_preload(struct vm_area_struct *vma, unsigned long ea,
mas1 = MAS1_VALID | MAS1_TID(mm->context.id) | MAS1_TSIZE(tsize);
mas2 = ea & ~((1UL << shift) - 1);
mas2 |= (pte_val(pte) >> PTE_WIMGE_SHIFT) & MAS2_WIMGE_MASK;
- mas7_3 = (u64)pte_pfn(pte) << PAGE_SHIFT;
+ mas7_3 = PFN_PHYS(pte_pfn(pte));
mas7_3 |= (pte_val(pte) >> PTE_BAP_SHIFT) & MAS3_BAP_MASK;
if (!pte_dirty(pte))
mas7_3 &= ~(MAS3_SW|MAS3_UW);
diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c
index a5bcf93..3351ae2 100644
--- a/arch/powerpc/mm/hugetlbpage-hash64.c
+++ b/arch/powerpc/mm/hugetlbpage-hash64.c
@@ -88,7 +88,7 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
if (likely(!(old_pte & _PAGE_HASHPTE))) {
unsigned long hash = hpt_hash(vpn, shift, ssize);
- pa = pte_pfn(__pte(old_pte)) << PAGE_SHIFT;
+ pa = PFN_PHYS(pte_pfn(__pte(old_pte)));
/* clear HPTE slot informations in new PTE */
#ifdef CONFIG_PPC_64K_PAGES
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 2c8e90f..32202c9 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -82,7 +82,7 @@ int page_is_ram(unsigned long pfn)
#ifndef CONFIG_PPC64 /* XXX for now */
return pfn < max_pfn;
#else
- unsigned long paddr = (pfn << PAGE_SHIFT);
+ unsigned long paddr = PFN_PHYS(pfn);
struct memblock_region *reg;
for_each_memblock(memory, reg)
@@ -333,9 +333,8 @@ void __init mem_init(void)
highmem_mapnr = lowmem_end_addr >> PAGE_SHIFT;
for (pfn = highmem_mapnr; pfn < max_mapnr; ++pfn) {
- phys_addr_t paddr = (phys_addr_t)pfn << PAGE_SHIFT;
struct page *page = pfn_to_page(pfn);
- if (!memblock_is_reserved(paddr))
+ if (!memblock_is_reserved(PFN_PHYS(pfn)))
free_highmem_page(page);
}
}
@@ -417,7 +416,7 @@ void flush_dcache_icache_page(struct page *page)
/* On 8xx there is no need to kmap since highmem is not supported */
__flush_dcache_icache(page_address(page));
#else
- __flush_dcache_icache_phys(page_to_pfn(page) << PAGE_SHIFT);
+ __flush_dcache_icache_phys(PFN_PHYS(page_to_pfn(page)));
#endif
}
EXPORT_SYMBOL(flush_dcache_icache_page);
@@ -553,7 +552,7 @@ subsys_initcall(add_system_ram_resources);
*/
int devmem_is_allowed(unsigned long pfn)
{
- if (iomem_is_exclusive(pfn << PAGE_SHIFT))
+ if (iomem_is_exclusive(PFN_PHYS(pfn)))
return 0;
if (!page_is_ram(pfn))
return 1;
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 30a42e2..e0e22b7 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -116,7 +116,7 @@ static int __init fake_numa_create_new_node(unsigned long end_pfn,
curr_boundary = mem;
- if ((end_pfn << PAGE_SHIFT) > mem) {
+ if (PFN_PHYS(end_pfn) > mem) {
/*
* Skip commas and spaces
*/
@@ -938,7 +938,7 @@ static void __init *careful_zallocation(int nid, unsigned long size,
int new_nid;
unsigned long ret_paddr;
- ret_paddr = __memblock_alloc_base(size, align, end_pfn << PAGE_SHIFT);
+ ret_paddr = __memblock_alloc_base(size, align, PFN_PHYS(end_pfn));
/* retry over all memory */
if (!ret_paddr)
@@ -1012,7 +1012,7 @@ static void __init mark_reserved_regions_for_nid(int nid)
* then trim size to active region
*/
if (end_pfn > node_ar.end_pfn)
- reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
+ reserve_size = PFN_PHYS(node_ar.end_pfn)
- physbase;
/*
* Only worry about *this* node, others may not
@@ -1038,7 +1038,7 @@ static void __init mark_reserved_regions_for_nid(int nid)
* reserved region
*/
start_pfn = node_ar.end_pfn;
- physbase = start_pfn << PAGE_SHIFT;
+ physbase = PFN_PHYS(start_pfn);
size = size - reserve_size;
get_node_active_region(start_pfn, &node_ar);
}
@@ -1087,8 +1087,9 @@ void __init do_init_bootmem(void)
if (NODE_DATA(nid)->node_spanned_pages == 0)
continue;
- dbg("start_paddr = %lx\n", start_pfn << PAGE_SHIFT);
- dbg("end_paddr = %lx\n", end_pfn << PAGE_SHIFT);
+ dbg("start_paddr = %llx\nend_paddr = %llx\n",
+ (unsigned long long)PFN_PHYS(start_pfn),
+ (unsigned long long)PFN_PHYS(end_pfn));
bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
bootmem_vaddr = careful_zallocation(nid,
diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c
index 0c767c5..4119d4f 100644
--- a/arch/powerpc/platforms/powernv/opal-dump.c
+++ b/arch/powerpc/platforms/powernv/opal-dump.c
@@ -243,7 +243,7 @@ static struct opal_sg_list *dump_data_to_sglist(struct dump_obj *dump)
while (size > 0) {
/* Translate virtual address to physical address */
sg1->entry[sg1->num_entries].data =
- (void *)(vmalloc_to_pfn(addr) << PAGE_SHIFT);
+ (void *)PFN_PHYS(vmalloc_to_pfn(addr));
if (size > PAGE_SIZE)
sg1->entry[sg1->num_entries].length = PAGE_SIZE;
diff --git a/arch/powerpc/platforms/powernv/opal-flash.c b/arch/powerpc/platforms/powernv/opal-flash.c
index 714ef97..e4b4f27 100644
--- a/arch/powerpc/platforms/powernv/opal-flash.c
+++ b/arch/powerpc/platforms/powernv/opal-flash.c
@@ -321,7 +321,7 @@ static struct opal_sg_list *image_data_to_sglist(void)
while (size > 0) {
/* Translate virtual address to physical address */
sg1->entry[sg1->num_entries].data =
- (void *)(vmalloc_to_pfn(addr) << PAGE_SHIFT);
+ (void *)PFN_PHYS(vmalloc_to_pfn(addr));
if (size > PAGE_SIZE)
sg1->entry[sg1->num_entries].length = PAGE_SIZE;
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 33b552f..96c7bb1 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -359,8 +359,8 @@ static int tce_clearrange_multi_pSeriesLP(unsigned long start_pfn,
tce_shift = be32_to_cpu(maprange->tce_shift);
tce_size = 1ULL << tce_shift;
- next = start_pfn << PAGE_SHIFT;
- num_tce = num_pfn << PAGE_SHIFT;
+ next = PFN_PHYS(start_pfn);
+ num_tce = PFN_PHYS(num_pfn);
/* round back to the beginning of the tce page size */
num_tce += next & (tce_size - 1);
@@ -415,8 +415,8 @@ static int tce_setrange_multi_pSeriesLP(unsigned long start_pfn,
liobn = (u64)be32_to_cpu(maprange->liobn);
tce_shift = be32_to_cpu(maprange->tce_shift);
tce_size = 1ULL << tce_shift;
- next = start_pfn << PAGE_SHIFT;
- num_tce = num_pfn << PAGE_SHIFT;
+ next = PFN_PHYS(start_pfn);
+ num_tce = PFN_PHYS(num_pfn);
/* round back to the beginning of the tce page size */
num_tce += next & (tce_size - 1);
--
1.9.1
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