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-rw-r--r--drivers/base/memory.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 7c5d87191b28..85be040a21c8 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -228,8 +228,8 @@ memory_block_action(unsigned long phys_index, unsigned long action, int online_t
struct page *first_page;
int ret;
- first_page = pfn_to_page(phys_index << PFN_SECTION_SHIFT);
- start_pfn = page_to_pfn(first_page);
+ start_pfn = phys_index << PFN_SECTION_SHIFT;
+ first_page = pfn_to_page(start_pfn);
switch (action) {
case MEM_ONLINE: