Signed-off-by: Jaegeuk Kim <[email protected]>
---
tools/f2fs_io/f2fs_io.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c
index 08f3c9b79cdf..390c9df26aff 100644
--- a/tools/f2fs_io/f2fs_io.c
+++ b/tools/f2fs_io/f2fs_io.c
@@ -937,10 +937,10 @@ static void do_write_advice(int argc, char **argv, const
struct cmd_desc *cmd)
" buffered : buffered IO\n" \
" dontcache: buffered IO + dontcache\n" \
" dio : direct IO\n" \
-" mmap : mmap IO\n" \
-" mlock : mmap + mlock\n" \
-" madvise : mmap + mlock2 + madvise\n" \
-" fadvise : mmap + fadvise + mlock\n" \
+" mmap : mmap(MAP_POPULATE) + mlock()\n" \
+" mlock : mmap() + mlock()\n" \
+" madvise : mmap() + mlock2(MLOCK_ONFAULT) + madvise(MADV_POPULATE_READ)\n"
\
+" fadvise : mmap() + fadvise(POSIX_FADV_WILLNEED) + mlock()\n"
\
"advice can be\n" \
" 1 : set sequential|willneed\n" \
" 0 : none\n" \
--
2.52.0.305.g3fc767764a-goog
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