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authorChristoph Hellwig <hch@lst.de>2019-07-12 06:57:14 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-12 21:05:44 +0300
commit67a929e097b774c69253c8b61ef9eb8a42b463a3 (patch)
tree33b72a242790fe48f2deafcce0b3e41870503ab9 /mm
parent7b9afb86b6328f10dc2cad9223d7def12d60e505 (diff)
downloadlinux-67a929e097b774c69253c8b61ef9eb8a42b463a3.tar.xz
mm: rename CONFIG_HAVE_GENERIC_GUP to CONFIG_HAVE_FAST_GUP
We only support the generic GUP now, so rename the config option to be more clear, and always use the mm/Kconfig definition of the symbol and select it from the arch Kconfigs. Link: http://lkml.kernel.org/r/20190625143715.1689-11-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Khalid Aziz <khalid.aziz@oracle.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> 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: 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')
-rw-r--r--mm/Kconfig2
-rw-r--r--mm/gup.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 53e2ca54b385..b5a258d62465 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -132,7 +132,7 @@ config HAVE_MEMBLOCK_NODE_MAP
config HAVE_MEMBLOCK_PHYS_MAP
bool
-config HAVE_GENERIC_GUP
+config HAVE_FAST_GUP
bool
config ARCH_KEEP_MEMBLOCK
diff --git a/mm/gup.c b/mm/gup.c
index 2093283e4933..2f69b30a11d3 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1651,7 +1651,7 @@ struct page *get_dump_page(unsigned long addr)
#endif /* CONFIG_ELF_CORE */
/*
- * Generic Fast GUP
+ * Fast GUP
*
* get_user_pages_fast attempts to pin user pages by walking the page
* tables directly and avoids taking locks. Thus the walker needs to be
@@ -1683,7 +1683,7 @@ struct page *get_dump_page(unsigned long addr)
*
* This code is based heavily on the PowerPC implementation by Nick Piggin.
*/
-#ifdef CONFIG_HAVE_GENERIC_GUP
+#ifdef CONFIG_HAVE_FAST_GUP
#ifdef CONFIG_GUP_GET_PTE_LOW_HIGH
/*
* WARNING: only to be used in the get_user_pages_fast() implementation.