The comment for PFN_SPECIAL is missed in pfn_t.h. Add comment to get consistent with other pfn flags.
Suggested-by: Dan Williams <dan.j.willi...@intel.com> Signed-off-by: Yang Shi <yang....@linux.alibaba.com> --- v2: rephrase the comment per Dan include/linux/pfn_t.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/pfn_t.h b/include/linux/pfn_t.h index 21713dc..d6cc4b5 100644 --- a/include/linux/pfn_t.h +++ b/include/linux/pfn_t.h @@ -9,6 +9,8 @@ * PFN_SG_LAST - pfn references a page and is the last scatterlist entry * PFN_DEV - pfn is not covered by system memmap by default * PFN_MAP - pfn has a dynamic page mapping established by a device driver + * PFN_SPECIAL - for CONFIG_FS_DAX_LIMITED builds to allow XIP, but not + * get_user_pages */ #define PFN_FLAGS_MASK (((u64) ~PAGE_MASK) << (BITS_PER_LONG_LONG - PAGE_SHIFT)) #define PFN_SG_CHAIN (1ULL << (BITS_PER_LONG_LONG - 1)) -- 1.8.3.1
