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authorLuis R. Rodriguez <mcgrof@kernel.org>2018-08-18 01:46:32 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-18 02:20:29 +0300
commit1a9b4b3d75679fbe8c3bb8fb7e957ea693b6a89c (patch)
treefc1bc338462e660d33b13b4a47c399e0e4ca4f42 /mm
parenta3266bd49c721e2e0a71f352d83713fbd60caadb (diff)
downloadlinux-1a9b4b3d75679fbe8c3bb8fb7e957ea693b6a89c.tar.xz
mm: provide a fallback for PAGE_KERNEL_EXEC for architectures
Some architectures just don't have PAGE_KERNEL_EXEC. The mm/nommu.c and mm/vmalloc.c code have been using PAGE_KERNEL as a fallback for years. Move this fallback to asm-generic. Link: http://lkml.kernel.org/r/20180510185507.2439-3-mcgrof@kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Suggested-by: Matthew Wilcox <willy@infradead.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> 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/nommu.c4
-rw-r--r--mm/vmalloc.c4
2 files changed, 0 insertions, 8 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index 9fc9e43335b6..e4aac33216ae 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -364,10 +364,6 @@ void *vzalloc_node(unsigned long size, int node)
}
EXPORT_SYMBOL(vzalloc_node);
-#ifndef PAGE_KERNEL_EXEC
-# define PAGE_KERNEL_EXEC PAGE_KERNEL
-#endif
-
/**
* vmalloc_exec - allocate virtually contiguous, executable memory
* @size: allocation size
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index cfea25be7754..a728fc492557 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1907,10 +1907,6 @@ void *vzalloc_node(unsigned long size, int node)
}
EXPORT_SYMBOL(vzalloc_node);
-#ifndef PAGE_KERNEL_EXEC
-# define PAGE_KERNEL_EXEC PAGE_KERNEL
-#endif
-
/**
* vmalloc_exec - allocate virtually contiguous, executable memory
* @size: allocation size