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-rw-r--r--arch/x86/mm/init_64.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index e6d36b490250..03da9030d0ee 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -962,6 +962,13 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
begin, PAGE_ALIGN(end));
set_memory_np(begin, (end - begin) >> PAGE_SHIFT);
#else
+ /*
+ * We just marked the kernel text read only above, now that
+ * we are going to free part of that, we need to make that
+ * writeable first.
+ */
+ set_memory_rw(begin, (end - begin) >> PAGE_SHIFT);
+
printk(KERN_INFO "Freeing %s: %luk freed\n", what, (end - begin) >> 10);
for (; addr < end; addr += PAGE_SIZE) {