diff options
| author | Li kunyu <[email protected]> | 2022-05-12 20:23:07 -0700 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2022-05-13 07:20:18 -0700 |
| commit | c8db8c2628afc7088a43de3f7cfbcc2ef1f182f7 (patch) | |
| tree | e6d2f26445a3e3718a73e0161b7e7422eb044f12 /include | |
| parent | 3fee229a8eb936b96933c6b2cd02d2e87a4cc997 (diff) | |
mm: functions may simplify the use of return values
p4d_clear_huge may be optimized for void return type and function usage.
vunmap_p4d_range function saves a few steps here.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Li kunyu <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pgtable.h | 12 |
1 files changed, 3 insertions, 9 deletions
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; |