[PATCH OLK-6.6 19/19] mm/huge_memory: fix comment errors of thp_mapping_align

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAHY3K

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The 2M anonymous mapping is dependent on BIT2.

Fixes: 08f7407a9f04 ("mm: add thp anon pmd size mapping align control") Signed-off-by: Liu Shixin liushixin2@huawei.com --- Documentation/admin-guide/mm/transhuge.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst index 5cf126c94f92..b6e5ba22176a 100644 --- a/Documentation/admin-guide/mm/transhuge.rst +++ b/Documentation/admin-guide/mm/transhuge.rst @@ -213,8 +213,8 @@ possible to enable/disable it by configurate the corresponding bit::

The kernel could try to enable mappings for different sizes, eg, 64K on arm64, BIT0 for file mapping, BIT1 for anonymous mapping, and THP size -page, BIT3 for anonymous mapping, where 64K anonymous mapping for arm64 -is dependent on BIT3 being turned on, the above feature are disabled by +page, BIT2 for anonymous mapping, where 2M anonymous mapping for arm64 +is dependent on BIT2 being turned on, the above feature are disabled by default, and could enable the above feature by writing the corresponding bit to 1::