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authorJiri Kosina <jkosina@suse.cz>2013-03-18 10:57:32 +0100
committerJiri Kosina <jkosina@suse.cz>2013-03-18 10:57:57 +0100
commitaa1262b3876ec5249ff464618a7dcd46b3ca54e2 (patch)
treeb150bb2c83c073e1f0e298ba7899148f7d991ef7 /mm/hugetlb.c
parent806b2139db236e0cbd0b5833ab0ce139f0196bcd (diff)
parent6dbe51c251a327e012439c4772097a13df43c5b8 (diff)
downloadlinux-aa1262b3876ec5249ff464618a7dcd46b3ca54e2.tar.bz2
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patch to the newly added ITG-3200 driver.
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r--mm/hugetlb.c39
1 files changed, 18 insertions, 21 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index b336690be9f6..c65a8a583d13 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -127,7 +127,7 @@ static inline struct hugepage_subpool *subpool_inode(struct inode *inode)
static inline struct hugepage_subpool *subpool_vma(struct vm_area_struct *vma)
{
- return subpool_inode(vma->vm_file->f_dentry->d_inode);
+ return subpool_inode(file_inode(vma->vm_file));
}
/*
@@ -1293,8 +1293,7 @@ static void __init report_hugepages(void)
for_each_hstate(h) {
char buf[32];
- printk(KERN_INFO "HugeTLB registered %s page size, "
- "pre-allocated %ld pages\n",
+ pr_info("HugeTLB registered %s page size, pre-allocated %ld pages\n",
memfmt(buf, huge_page_size(h)),
h->free_huge_pages);
}
@@ -1702,8 +1701,7 @@ static void __init hugetlb_sysfs_init(void)
err = hugetlb_sysfs_add_hstate(h, hugepages_kobj,
hstate_kobjs, &hstate_attr_group);
if (err)
- printk(KERN_ERR "Hugetlb: Unable to add hstate %s",
- h->name);
+ pr_err("Hugetlb: Unable to add hstate %s", h->name);
}
}
@@ -1826,9 +1824,8 @@ static void hugetlb_register_node(struct node *node)
nhs->hstate_kobjs,
&per_node_hstate_attr_group);
if (err) {
- printk(KERN_ERR "Hugetlb: Unable to add hstate %s"
- " for node %d\n",
- h->name, node->dev.id);
+ pr_err("Hugetlb: Unable to add hstate %s for node %d\n",
+ h->name, node->dev.id);
hugetlb_unregister_node(node);
break;
}
@@ -1924,7 +1921,7 @@ void __init hugetlb_add_hstate(unsigned order)
unsigned long i;
if (size_to_hstate(PAGE_SIZE << order)) {
- printk(KERN_WARNING "hugepagesz= specified twice, ignoring\n");
+ pr_warning("hugepagesz= specified twice, ignoring\n");
return;
}
BUG_ON(hugetlb_max_hstate >= HUGE_MAX_HSTATE);
@@ -1960,8 +1957,8 @@ static int __init hugetlb_nrpages_setup(char *s)
mhp = &parsed_hstate->max_huge_pages;
if (mhp == last_mhp) {
- printk(KERN_WARNING "hugepages= specified twice without "
- "interleaving hugepagesz=, ignoring\n");
+ pr_warning("hugepages= specified twice without "
+ "interleaving hugepagesz=, ignoring\n");
return 1;
}
@@ -2482,7 +2479,7 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
address = address & huge_page_mask(h);
pgoff = ((address - vma->vm_start) >> PAGE_SHIFT) +
vma->vm_pgoff;
- mapping = vma->vm_file->f_dentry->d_inode->i_mapping;
+ mapping = file_inode(vma->vm_file)->i_mapping;
/*
* Take the mapping lock for the duration of the table walk. As
@@ -2692,9 +2689,8 @@ static int hugetlb_no_page(struct mm_struct *mm, struct vm_area_struct *vma,
* COW. Warn that such a situation has occurred as it may not be obvious
*/
if (is_vma_resv_set(vma, HPAGE_RESV_UNMAPPED)) {
- printk(KERN_WARNING
- "PID %d killed due to inadequate hugepage pool\n",
- current->pid);
+ pr_warning("PID %d killed due to inadequate hugepage pool\n",
+ current->pid);
return ret;
}
@@ -2924,14 +2920,14 @@ follow_huge_pud(struct mm_struct *mm, unsigned long address,
return NULL;
}
-int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
- struct page **pages, struct vm_area_struct **vmas,
- unsigned long *position, int *length, int i,
- unsigned int flags)
+long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
+ struct page **pages, struct vm_area_struct **vmas,
+ unsigned long *position, unsigned long *nr_pages,
+ long i, unsigned int flags)
{
unsigned long pfn_offset;
unsigned long vaddr = *position;
- int remainder = *length;
+ unsigned long remainder = *nr_pages;
struct hstate *h = hstate_vma(vma);
spin_lock(&mm->page_table_lock);
@@ -3001,7 +2997,7 @@ same_page:
}
}
spin_unlock(&mm->page_table_lock);
- *length = remainder;
+ *nr_pages = remainder;
*position = vaddr;
return i ? i : -EFAULT;
@@ -3033,6 +3029,7 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
if (!huge_pte_none(huge_ptep_get(ptep))) {
pte = huge_ptep_get_and_clear(mm, address, ptep);
pte = pte_mkhuge(pte_modify(pte, newprot));
+ pte = arch_make_huge_pte(pte, vma, NULL, 0);
set_huge_pte_at(mm, address, ptep, pte);
pages++;
}