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-rw-r--r--mm/gup.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/gup.c b/mm/gup.c
index ed02d65f9c72..e1bd2b2e9145 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -488,12 +488,11 @@ static int record_subpages(struct page *page, unsigned long sz,
unsigned long addr, unsigned long end,
struct page **pages)
{
- struct page *start_page;
int nr;
- start_page = nth_page(page, (addr & (sz - 1)) >> PAGE_SHIFT);
+ page += (addr & (sz - 1)) >> PAGE_SHIFT;
for (nr = 0; addr != end; nr++, addr += PAGE_SIZE)
- pages[nr] = nth_page(start_page, nr);
+ pages[nr] = page++;
return nr;
}
@@ -1512,7 +1511,7 @@ next_page:
}
for (j = 0; j < page_increm; j++) {
- subpage = nth_page(page, j);
+ subpage = page + j;
pages[i + j] = subpage;
flush_anon_page(vma, subpage, start + j * PAGE_SIZE);
flush_dcache_page(subpage);