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-rw-r--r--mm/memory.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c
index adeac306610f..e229970e4223 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -118,6 +118,8 @@ __setup("norandmaps", disable_randmaps);
unsigned long zero_pfn __read_mostly;
unsigned long highest_memmap_pfn __read_mostly;
+EXPORT_SYMBOL(zero_pfn);
+
/*
* CONFIG_MMU architectures set up ZERO_PAGE in their paging_init()
*/
@@ -1125,7 +1127,7 @@ again:
addr) != page->index) {
pte_t ptfile = pgoff_to_pte(page->index);
if (pte_soft_dirty(ptent))
- pte_file_mksoft_dirty(ptfile);
+ ptfile = pte_file_mksoft_dirty(ptfile);
set_pte_at(mm, addr, pte, ptfile);
}
if (PageAnon(page))
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