diff options
| author |   Yang Shi <[email protected]> | 2020-08-11 18:31:48 -0700 |
|---|---|---|
| committer |   Linus Torvalds <[email protected]> | 2020-08-12 10:57:57 -0700 |
| commit | 4958e4d86ecb011a81f5d80ce2023ef9f10692d8 (patch) | |
| tree | 1c962608c56d83ce1d58188cfe1091f303565182 /include | |
| parent | mm/migrate: add migrate-shared test for migrate_vma_*() (diff) | |
| download | wireguard-linux-4958e4d86ecb011a81f5d80ce2023ef9f10692d8.tar.xz wireguard-linux-4958e4d86ecb011a81f5d80ce2023ef9f10692d8.zip | |
mm: thp: remove debug_cow switch
Since commit 3917c80280c93a7123f ("thp: change CoW semantics for
anon-THP"), the CoW page fault of THP has been rewritten, debug_cow is not
used anymore. So, just remove it.
Signed-off-by: Yang Shi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Zi Yan <[email protected]>
Cc: Kirill A. Shutemov <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/huge_mm.h | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 17c4c4975145..467302056e17 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -181,13 +181,6 @@ static inline bool transhuge_vma_suitable(struct vm_area_struct *vma, #define transparent_hugepage_use_zero_page() \ (transparent_hugepage_flags & \ (1<<TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG)) -#ifdef CONFIG_DEBUG_VM -#define transparent_hugepage_debug_cow() \ - (transparent_hugepage_flags & \ - (1<<TRANSPARENT_HUGEPAGE_DEBUG_COW_FLAG)) -#else /* CONFIG_DEBUG_VM */ -#define transparent_hugepage_debug_cow() 0 -#endif /* CONFIG_DEBUG_VM */ extern unsigned long thp_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, |