diff options
Diffstat (limited to 'fs/proc/vmcore.c')
| -rw-r--r-- | fs/proc/vmcore.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index 4e61388ec..8afe10cf7 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -231,7 +231,9 @@ static ssize_t __read_vmcore(char *buffer, size_t buflen, loff_t *fpos, list_for_each_entry(m, &vmcore_list, list) { if (*fpos < m->offset + m->size) { - tsz = min_t(size_t, m->offset + m->size - *fpos, buflen); + tsz = (size_t)min_t(unsigned long long, + m->offset + m->size - *fpos, + buflen); start = m->paddr + *fpos - m->offset; tmp = read_from_oldmem(buffer, tsz, &start, userbuf); if (tmp < 0) @@ -277,12 +279,12 @@ static int mmap_vmcore_fault(struct vm_area_struct *vma, struct vm_fault *vmf) if (!page) return VM_FAULT_OOM; if (!PageUptodate(page)) { - offset = (loff_t) index << PAGE_CACHE_SHIFT; + offset = (loff_t) index << PAGE_SHIFT; buf = __va((page_to_pfn(page) << PAGE_SHIFT)); rc = __read_vmcore(buf, PAGE_SIZE, &offset, 0); if (rc < 0) { unlock_page(page); - page_cache_release(page); + put_page(page); return (rc == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS; } SetPageUptodate(page); @@ -461,7 +463,8 @@ static int mmap_vmcore(struct file *file, struct vm_area_struct *vma) if (start < m->offset + m->size) { u64 paddr = 0; - tsz = min_t(size_t, m->offset + m->size - start, size); + tsz = (size_t)min_t(unsigned long long, + m->offset + m->size - start, size); paddr = m->paddr + start - m->offset; if (vmcore_remap_oldmem_pfn(vma, vma->vm_start + len, paddr >> PAGE_SHIFT, tsz, |