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-rw-r--r--arch/parisc/kernel/pdt.c3
-rw-r--r--include/linux/mm.h5
-rw-r--r--include/linux/swapops.h24
-rw-r--r--mm/memory-failure.c10
4 files changed, 18 insertions, 24 deletions
diff --git a/arch/parisc/kernel/pdt.c b/arch/parisc/kernel/pdt.c
index e391b175f5ec..fdc880e2575a 100644
--- a/arch/parisc/kernel/pdt.c
+++ b/arch/parisc/kernel/pdt.c
@@ -18,8 +18,7 @@
#include <linux/kthread.h>
#include <linux/initrd.h>
#include <linux/pgtable.h>
-#include <linux/swap.h>
-#include <linux/swapops.h>
+#include <linux/mm.h>
#include <asm/pdc.h>
#include <asm/pdcpat.h>
diff --git a/include/linux/mm.h b/include/linux/mm.h
index e2ac6fff03a8..c667a6c4b657 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3279,12 +3279,17 @@ extern int soft_offline_page(unsigned long pfn, int flags);
#ifdef CONFIG_MEMORY_FAILURE
extern int __get_huge_page_for_hwpoison(unsigned long pfn, int flags,
bool *migratable_cleared);
+extern void num_poisoned_pages_inc(void);
#else
static inline int __get_huge_page_for_hwpoison(unsigned long pfn, int flags,
bool *migratable_cleared)
{
return 0;
}
+
+static inline void num_poisoned_pages_inc(void)
+{
+}
#endif
#ifndef arch_memory_failure
diff --git a/include/linux/swapops.h b/include/linux/swapops.h
index 86b95ccb81bb..3ba9bf56899d 100644
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -581,8 +581,6 @@ static inline int is_pmd_migration_entry(pmd_t pmd)
#ifdef CONFIG_MEMORY_FAILURE
-extern atomic_long_t num_poisoned_pages __read_mostly;
-
/*
* Support for hardware poisoned pages
*/
@@ -597,17 +595,7 @@ static inline int is_hwpoison_entry(swp_entry_t entry)
return swp_type(entry) == SWP_HWPOISON;
}
-static inline void num_poisoned_pages_inc(void)
-{
- atomic_long_inc(&num_poisoned_pages);
-}
-
-static inline void num_poisoned_pages_sub(long i)
-{
- atomic_long_sub(i, &num_poisoned_pages);
-}
-
-#else /* CONFIG_MEMORY_FAILURE */
+#else
static inline swp_entry_t make_hwpoison_entry(struct page *page)
{
@@ -618,15 +606,7 @@ static inline int is_hwpoison_entry(swp_entry_t swp)
{
return 0;
}
-
-static inline void num_poisoned_pages_inc(void)
-{
-}
-
-static inline void num_poisoned_pages_sub(long i)
-{
-}
-#endif /* CONFIG_MEMORY_FAILURE */
+#endif
static inline int non_swap_entry(swp_entry_t entry)
{
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 4fff0b36c61d..44d7bf6ff214 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -74,6 +74,16 @@ atomic_long_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0);
static bool hw_memory_failure __read_mostly = false;
+inline void num_poisoned_pages_inc(void)
+{
+ atomic_long_inc(&num_poisoned_pages);
+}
+
+static inline void num_poisoned_pages_sub(long i)
+{
+ atomic_long_sub(i, &num_poisoned_pages);
+}
+
/*
* Return values:
* 1: the page is dissolved (if needed) and taken off from buddy,