This is a note to let you know that I've just added the patch titled MIPS: export has_transparent_hugepage() for modules to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mips-export-has_transparent_hugepage-for-modules.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 6aadd17b7949da76b8958b482ea90a4ddbc01d07 Author: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Date: Fri Oct 23 12:44:40 2020 -0700 MIPS: export has_transparent_hugepage() for modules [ Upstream commit 31b4d8e172f614adc53ddecb4b6b2f6411a49b84 ] MIPS should export its local version of "has_transparent_hugepage" so that loadable modules (dax) can use it. Fixes this build error: ERROR: modpost: "has_transparent_hugepage" [drivers/dax/dax.ko] undefined! Fixes: fd8cfd300019 ("arch: fix has_transparent_hugepage()") Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> Cc: linux-mips@xxxxxxxxxxxxxxx Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Cc: Vishal Verma <vishal.l.verma@xxxxxxxxx> Cc: Dave Jiang <dave.jiang@xxxxxxxxx> Cc: linux-nvdimm@xxxxxxxxxxxx Cc: Hugh Dickins <hughd@xxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index 0596505770dba..11985399c4695 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -424,6 +424,7 @@ int has_transparent_hugepage(void) } return mask == PM_HUGE_MASK; } +EXPORT_SYMBOL(has_transparent_hugepage); #endif /* CONFIG_TRANSPARENT_HUGEPAGE */