summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/x86/mm/pgtable.c3
-rw-r--r--include/linux/pgtable.h12
-rw-r--r--mm/vmalloc.c7
3 files changed, 6 insertions, 16 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index f16059e9a85e..a932d7712d85 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -686,9 +686,8 @@ int p4d_set_huge(p4d_t *p4d, phys_addr_t addr, pgprot_t prot)
*
* No 512GB pages yet -- always return 0
*/
-int p4d_clear_huge(p4d_t *p4d)
+void p4d_clear_huge(p4d_t *p4d)
{
- return 0;
}
#endif
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index ecb4c762d760..3cdc16cfd867 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -1448,16 +1448,13 @@ static inline int pmd_protnone(pmd_t pmd)
#ifndef __PAGETABLE_P4D_FOLDED
int p4d_set_huge(p4d_t *p4d, phys_addr_t addr, pgprot_t prot);
-int p4d_clear_huge(p4d_t *p4d);
+void p4d_clear_huge(p4d_t *p4d);
#else
static inline int p4d_set_huge(p4d_t *p4d, phys_addr_t addr, pgprot_t prot)
{
return 0;
}
-static inline int p4d_clear_huge(p4d_t *p4d)
-{
- return 0;
-}
+static inline void p4d_clear_huge(p4d_t *p4d) { }
#endif /* !__PAGETABLE_P4D_FOLDED */
int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot);
@@ -1480,10 +1477,7 @@ static inline int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot)
{
return 0;
}
-static inline int p4d_clear_huge(p4d_t *p4d)
-{
- return 0;
-}
+static inline void p4d_clear_huge(p4d_t *p4d) { }
static inline int pud_clear_huge(pud_t *pud)
{
return 0;
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index c3af9b28e54f..5b59ccafcd46 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -389,18 +389,15 @@ static void vunmap_p4d_range(pgd_t *pgd, unsigned long addr, unsigned long end,
{
p4d_t *p4d;
unsigned long next;
- int cleared;
p4d = p4d_offset(pgd, addr);
do {
next = p4d_addr_end(addr, end);
- cleared = p4d_clear_huge(p4d);
- if (cleared || p4d_bad(*p4d))
+ p4d_clear_huge(p4d);
+ if (p4d_bad(*p4d))
*mask |= PGTBL_P4D_MODIFIED;
- if (cleared)
- continue;
if (p4d_none_or_clear_bad(p4d))
continue;
vunmap_pud_range(p4d, addr, next, mask);