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-rw-r--r--Documentation/vm/split_page_table_lock6
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/vm/split_page_table_lock b/Documentation/vm/split_page_table_lock
index 7521d367f21d..6dea4fd5c961 100644
--- a/Documentation/vm/split_page_table_lock
+++ b/Documentation/vm/split_page_table_lock
@@ -63,9 +63,9 @@ levels.
63PMD split lock enabling requires pgtable_pmd_page_ctor() call on PMD table 63PMD split lock enabling requires pgtable_pmd_page_ctor() call on PMD table
64allocation and pgtable_pmd_page_dtor() on freeing. 64allocation and pgtable_pmd_page_dtor() on freeing.
65 65
66Allocation usually happens in pmd_alloc_one(), freeing in pmd_free(), but 66Allocation usually happens in pmd_alloc_one(), freeing in pmd_free() and
67make sure you cover all PMD table allocation / freeing paths: i.e X86_PAE 67pmd_free_tlb(), but make sure you cover all PMD table allocation / freeing
68preallocate few PMDs on pgd_alloc(). 68paths: i.e X86_PAE preallocate few PMDs on pgd_alloc().
69 69
70With everything in place you can set CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK. 70With everything in place you can set CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK.
71 71