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| author | Jiri Kosina <jkosina@suse.cz> | 2023-06-27 23:37:24 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2023-06-27 23:37:24 +0300 |
| commit | e80b500370e71b8cd7dd64be4080cee0a3e5068f (patch) | |
| tree | 130b5288bf5f8420482a1aaf021f2054b5687f04 /include/linux/mm_inline.h | |
| parent | 177d591aba3838abc13968a25a3b339b420d97ca (diff) | |
| parent | 72e49cadea390556ca60fad973740ddc5587e408 (diff) | |
| download | linux-e80b500370e71b8cd7dd64be4080cee0a3e5068f.tar.xz | |
Merge branch 'for-6.5/apple' into for-linus
- improved support for Keychron K8 keyboard (Lasse Brun)
Diffstat (limited to 'include/linux/mm_inline.h')
| -rw-r--r-- | include/linux/mm_inline.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index de1e622dd366..0e1d239a882c 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h @@ -557,6 +557,12 @@ pte_install_uffd_wp_if_needed(struct vm_area_struct *vma, unsigned long addr, /* The current status of the pte should be "cleared" before calling */ WARN_ON_ONCE(!pte_none(*pte)); + /* + * NOTE: userfaultfd_wp_unpopulated() doesn't need this whole + * thing, because when zapping either it means it's dropping the + * page, or in TTU where the present pte will be quickly replaced + * with a swap pte. There's no way of leaking the bit. + */ if (vma_is_anonymous(vma) || !userfaultfd_wp(vma)) return; |
