diff options
| author |   Christoph Hellwig <hch@lst.de> | 2019-07-11 20:57:28 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-12 11:05:45 -0700 |
| commit | cbd34da7dc9afd521e0bea5e7d12701f4a9da7c7 (patch) | |
| tree | 01134464a578f6e5ec091a739b3671528eaf3d54 /mm/Kconfig | |
| parent | mm: validate get_user_pages_fast flags (diff) | |
| download | linux-dev-cbd34da7dc9afd521e0bea5e7d12701f4a9da7c7.tar.xz linux-dev-cbd34da7dc9afd521e0bea5e7d12701f4a9da7c7.zip | |
mm: move the powerpc hugepd code to mm/gup.c
While only powerpc supports the hugepd case, the code is pretty generic
and I'd like to keep all GUP internals in one place.
Link: http://lkml.kernel.org/r/20190625143715.1689-15-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Miller <davem@davemloft.net>
Cc: James Hogan <jhogan@kernel.org>
Cc: Jason Gunthorpe <jgg@mellanox.com>
Cc: Khalid Aziz <khalid.aziz@oracle.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 48840b28482b..0b4352557dd5 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -769,4 +769,14 @@ config GUP_GET_PTE_LOW_HIGH config ARCH_HAS_PTE_SPECIAL bool +# +# Some architectures require a special hugepage directory format that is +# required to support multiple hugepage sizes. For example a4fe3ce76 +# "powerpc/mm: Allow more flexible layouts for hugepage pagetables" +# introduced it on powerpc. This allows for a more flexible hugepage +# pagetable layouts. +# +config ARCH_HAS_HUGEPD + bool + endmenu |