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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-02-14 09:04:36 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-02-14 09:04:36 +0100
commitfbd533e90d239e17d9427a6481ae60be25680cb7 (patch)
tree72f5b36af33981605eecf92da1516b9b4c37d5a6 /include/linux/page_table_check.h
parentc18553956f34819e224a79c9890eba2ba0604e15 (diff)
parent754e0b0e35608ed5206d6a67a791563c631cec07 (diff)
Merge 5.17-rc4 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/page_table_check.h')
-rw-r--r--include/linux/page_table_check.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/page_table_check.h b/include/linux/page_table_check.h
index 38cace1da7b6..01e16c7696ec 100644
--- a/include/linux/page_table_check.h
+++ b/include/linux/page_table_check.h
@@ -26,6 +26,9 @@ void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd);
void __page_table_check_pud_set(struct mm_struct *mm, unsigned long addr,
pud_t *pudp, pud_t pud);
+void __page_table_check_pte_clear_range(struct mm_struct *mm,
+ unsigned long addr,
+ pmd_t pmd);
static inline void page_table_check_alloc(struct page *page, unsigned int order)
{
@@ -100,6 +103,16 @@ static inline void page_table_check_pud_set(struct mm_struct *mm,
__page_table_check_pud_set(mm, addr, pudp, pud);
}
+static inline void page_table_check_pte_clear_range(struct mm_struct *mm,
+ unsigned long addr,
+ pmd_t pmd)
+{
+ if (static_branch_likely(&page_table_check_disabled))
+ return;
+
+ __page_table_check_pte_clear_range(mm, addr, pmd);
+}
+
#else
static inline void page_table_check_alloc(struct page *page, unsigned int order)
@@ -143,5 +156,11 @@ static inline void page_table_check_pud_set(struct mm_struct *mm,
{
}
+static inline void page_table_check_pte_clear_range(struct mm_struct *mm,
+ unsigned long addr,
+ pmd_t pmd)
+{
+}
+
#endif /* CONFIG_PAGE_TABLE_CHECK */
#endif /* __LINUX_PAGE_TABLE_CHECK_H */