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authorRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2022-04-01 16:12:31 +0100
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2022-04-01 16:12:31 +0100
commitde4fb176622d54a82ea3ceb7362392aaf5ff0b5a (patch)
tree8b510763d14d89b97cd719e79834c84e095932d7 /include/asm-generic/pgalloc.h
parent9be4c88bb7924f68f88cfd47d925c2d046f51a73 (diff)
parent9c6d6652e950fb34295f446676a811f6df5b8561 (diff)
Merge branches 'fixes' and 'misc' into for-linus
Diffstat (limited to 'include/asm-generic/pgalloc.h')
-rw-r--r--include/asm-generic/pgalloc.h24
1 files changed, 18 insertions, 6 deletions
diff --git a/include/asm-generic/pgalloc.h b/include/asm-generic/pgalloc.h
index 02932efad3ab..977bea16cf1b 100644
--- a/include/asm-generic/pgalloc.h
+++ b/include/asm-generic/pgalloc.h
@@ -147,6 +147,15 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
#if CONFIG_PGTABLE_LEVELS > 3
+static inline pud_t *__pud_alloc_one(struct mm_struct *mm, unsigned long addr)
+{
+ gfp_t gfp = GFP_PGTABLE_USER;
+
+ if (mm == &init_mm)
+ gfp = GFP_PGTABLE_KERNEL;
+ return (pud_t *)get_zeroed_page(gfp);
+}
+
#ifndef __HAVE_ARCH_PUD_ALLOC_ONE
/**
* pud_alloc_one - allocate a page for PUD-level page table
@@ -159,20 +168,23 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
*/
static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- gfp_t gfp = GFP_PGTABLE_USER;
-
- if (mm == &init_mm)
- gfp = GFP_PGTABLE_KERNEL;
- return (pud_t *)get_zeroed_page(gfp);
+ return __pud_alloc_one(mm, addr);
}
#endif
-static inline void pud_free(struct mm_struct *mm, pud_t *pud)
+static inline void __pud_free(struct mm_struct *mm, pud_t *pud)
{
BUG_ON((unsigned long)pud & (PAGE_SIZE-1));
free_page((unsigned long)pud);
}
+#ifndef __HAVE_ARCH_PUD_FREE
+static inline void pud_free(struct mm_struct *mm, pud_t *pud)
+{
+ __pud_free(mm, pud);
+}
+#endif
+
#endif /* CONFIG_PGTABLE_LEVELS > 3 */
#ifndef __HAVE_ARCH_PGD_FREE