diff options
| author | Rolf Eike Beer <eb@emlix.com> | 2022-08-22 15:01:32 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-11 20:26:00 -0700 |
| commit | e2f8f44b7686bf65747f485ac7c9c43de8b8de09 (patch) | |
| tree | 26bdaa9b25e8b470c980aafdf3c5bac1bc03ee59 /include/linux/pagewalk.h | |
| parent | e09b0b61fbbf28e0f528ca17af5c3e445109f147 (diff) | |
| download | lwn-e2f8f44b7686bf65747f485ac7c9c43de8b8de09.tar.gz lwn-e2f8f44b7686bf65747f485ac7c9c43de8b8de09.zip | |
mm: pagewalk: fix documentation of PTE hole handling
Empty PTEs are passed to the pte_entry callback, not to pte_hole.
Link: https://lkml.kernel.org/r/3695521.kQq0lBPeGt@devpool047
Signed-off-by: Rolf Eike Beer <eb@emlix.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/pagewalk.h')
| -rw-r--r-- | include/linux/pagewalk.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/pagewalk.h b/include/linux/pagewalk.h index ac7b38ad5903..f3fafb731ffd 100644 --- a/include/linux/pagewalk.h +++ b/include/linux/pagewalk.h @@ -15,12 +15,12 @@ struct mm_walk; * this handler is required to be able to handle * pmd_trans_huge() pmds. They may simply choose to * split_huge_page() instead of handling it explicitly. - * @pte_entry: if set, called for each non-empty PTE (lowest-level) - * entry + * @pte_entry: if set, called for each PTE (lowest-level) entry, + * including empty ones * @pte_hole: if set, called for each hole at all levels, - * depth is -1 if not known, 0:PGD, 1:P4D, 2:PUD, 3:PMD - * 4:PTE. Any folded depths (where PTRS_PER_P?D is equal - * to 1) are skipped. + * depth is -1 if not known, 0:PGD, 1:P4D, 2:PUD, 3:PMD. + * Any folded depths (where PTRS_PER_P?D is equal to 1) + * are skipped. * @hugetlb_entry: if set, called for each hugetlb entry * @test_walk: caller specific callback function to determine whether * we walk over the current vma or not. Returning 0 means |