The patch titled
Subject: mm/gup_test: GUP_TEST depends on DEBUG_FS
has been added to the -mm tree. Its filename is
mm-gup_benchmark-gup_benchmark-depends-on-debug_fs.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-gup_benchmark-gup_benchmark-depends-on-debug_fs.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-gup_benchmark-gup_benchmark-depends-on-debug_fs.patch
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------------------------------------------------------
From: Barry Song <song.bao.hua@xxxxxxxxxxxxx>
Subject: mm/gup_test: GUP_TEST depends on DEBUG_FS
Without DEBUG_FS, all the code in gup_benchmark becomes meaningless.
For sure kernel provides debugfs stub while DEBUG_FS is disabled, but
the point here is that GUP_TEST can do nothing without DEBUG_FS.
Link: https://lkml.kernel.org/r/20201104100552.20156-1-song.bao.hua@xxxxxxxxxxxxx
Signed-off-by: Barry Song <song.bao.hua@xxxxxxxxxxxxx>
Suggested-by: John Garry <john.garry@xxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Ralph Campbell <rcampbell@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/Kconfig | 1 +
1 file changed, 1 insertion(+)
--- a/mm/Kconfig~mm-gup_benchmark-gup_benchmark-depends-on-debug_fs
+++ a/mm/Kconfig
@@ -836,6 +836,7 @@ config PERCPU_STATS
config GUP_TEST
bool "Enable infrastructure for get_user_pages()-related unit tests"
+ depends on DEBUG_FS
help
Provides /sys/kernel/debug/gup_test, which in turn provides a way
to make ioctl calls that can launch kernel-based unit tests for
_
Patches currently in -mm which might be from song.bao.hua@xxxxxxxxxxxxx are
mm-gup_benchmark-mark-gup_benchmark_init-as-__init-function.patch
mm-gup_benchmark-gup_benchmark-depends-on-debug_fs.patch
