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[PATCH] headers_check: don't expose PFN stuff to userspace in <asm-i386/setup.h>
The header file <linux/pfn.h> doesn't exist in userspace and probably shouldn't -- but it's used unconditionally in <asm-i386/setup.h>. Protect it with #ifdef __KERNEL__ and move setup.h from $(header-y) to $(unifdef-y) in Kbuild accordingly. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1,5 +1,5 @@
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include include/asm-generic/Kbuild.asm
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header-y += boot.h debugreg.h ldt.h setup.h ucontext.h
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header-y += boot.h debugreg.h ldt.h ucontext.h
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unifdef-y += mtrr.h vm86.h
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unifdef-y += mtrr.h setup.h vm86.h
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@ -6,6 +6,7 @@
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#ifndef _i386_SETUP_H
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#define _i386_SETUP_H
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#ifdef __KERNEL__
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#include <linux/pfn.h>
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/*
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@ -13,6 +14,7 @@
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*/
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#define MAXMEM_PFN PFN_DOWN(MAXMEM)
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#define MAX_NONPAE_PFN (1 << 20)
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#endif
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#define PARAM_SIZE 4096
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#define COMMAND_LINE_SIZE 256
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