The patch titled Subject: turns out that probe_user_write is used in modular code has been removed from the -mm tree. Its filename was maccess-unexport-probe_kernel_write-and-probe_user_write-fix.patch This patch was dropped because it was folded into maccess-unexport-probe_kernel_write-and-probe_user_write.patch ------------------------------------------------------ From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Subject: turns out that probe_user_write is used in modular code Link: http://lkml.kernel.org/r/20200602195741.4faaa348@xxxxxxxxxxxxxxxx Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/maccess.c | 1 + 1 file changed, 1 insertion(+) --- a/mm/maccess.c~maccess-unexport-probe_kernel_write-and-probe_user_write-fix +++ a/mm/maccess.c @@ -244,6 +244,7 @@ long strncpy_from_unsafe_user(char *dst, return ret; } +EXPORT_SYMBOL_GPL(probe_user_write); /** * strnlen_unsafe_user: - Get the size of a user string INCLUDING final NUL. _ Patches currently in -mm which might be from sfr@xxxxxxxxxxxxxxxx are maccess-unexport-probe_kernel_write-and-probe_user_write.patch kernel-better-document-the-use_mm-unuse_mm-api-contract-v2-fix.patch kernel-better-document-the-use_mm-unuse_mm-api-contract-fix-2.patch