2008-10-23 13:26:29 +08:00
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#ifndef _ASM_X86_PAGE_H
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#define _ASM_X86_PAGE_H
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2008-01-30 20:32:41 +08:00
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2008-01-30 20:32:44 +08:00
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#ifdef __KERNEL__
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2009-02-09 14:52:14 +08:00
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#include <asm/page_types.h>
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2008-01-30 20:32:41 +08:00
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#ifdef CONFIG_X86_64
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2008-01-30 20:32:44 +08:00
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#include <asm/page_64.h>
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#else
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#include <asm/page_32.h>
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2008-01-30 20:32:41 +08:00
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#endif /* CONFIG_X86_64 */
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2008-01-30 20:32:42 +08:00
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#ifndef __ASSEMBLY__
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2008-01-30 20:34:06 +08:00
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2008-01-30 20:32:42 +08:00
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struct page;
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x86: fix {clear,copy}_user_page() declarations in page.h
Clean up: eliminate some compiler noise on x86 when building with strict
warnings enabled, introduced by commit 345b904c.
In file included from include2/asm/thread_info_64.h:12,
from include2/asm/thread_info.h:4,
from
/home/cel/src/linux/nfs-2.6/include/linux/thread_info.h:35,
from
/home/cel/src/linux/nfs-2.6/include/linux/preempt.h:9,
from
/home/cel/src/linux/nfs-2.6/include/linux/spinlock.h:49,
from /home/cel/src/linux/nfs-2.6/include/linux/mmzone.h:7,
from /home/cel/src/linux/nfs-2.6/include/linux/gfp.h:4,
from /home/cel/src/linux/nfs-2.6/include/linux/slab.h:14,
from /home/cel/src/linux/nfs-2.6/fs/nfsd/nfs4acl.c:40:
include2/asm/page.h:55: warning: `inline' is not at beginning of
declaration
include2/asm/page.h:61: warning: `inline' is not at beginning of
declaration
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-03-05 06:55:45 +08:00
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static inline void clear_user_page(void *page, unsigned long vaddr,
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2009-02-09 14:52:14 +08:00
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struct page *pg)
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2008-01-30 20:32:42 +08:00
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{
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clear_page(page);
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}
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x86: fix {clear,copy}_user_page() declarations in page.h
Clean up: eliminate some compiler noise on x86 when building with strict
warnings enabled, introduced by commit 345b904c.
In file included from include2/asm/thread_info_64.h:12,
from include2/asm/thread_info.h:4,
from
/home/cel/src/linux/nfs-2.6/include/linux/thread_info.h:35,
from
/home/cel/src/linux/nfs-2.6/include/linux/preempt.h:9,
from
/home/cel/src/linux/nfs-2.6/include/linux/spinlock.h:49,
from /home/cel/src/linux/nfs-2.6/include/linux/mmzone.h:7,
from /home/cel/src/linux/nfs-2.6/include/linux/gfp.h:4,
from /home/cel/src/linux/nfs-2.6/include/linux/slab.h:14,
from /home/cel/src/linux/nfs-2.6/fs/nfsd/nfs4acl.c:40:
include2/asm/page.h:55: warning: `inline' is not at beginning of
declaration
include2/asm/page.h:61: warning: `inline' is not at beginning of
declaration
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-03-05 06:55:45 +08:00
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static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
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struct page *topage)
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2008-01-30 20:32:42 +08:00
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{
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copy_page(to, from);
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}
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#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
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alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
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#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
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2008-01-30 20:32:43 +08:00
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#define __pa(x) __phys_addr((unsigned long)(x))
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2008-10-03 23:54:25 +08:00
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#define __pa_nodebug(x) __phys_addr_nodebug((unsigned long)(x))
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2008-01-30 20:32:43 +08:00
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/* __pa_symbol should be used for C visible symbols.
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This seems to be the official gcc blessed way to do such arithmetic. */
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#define __pa_symbol(x) __pa(__phys_reloc_hide((unsigned long)(x)))
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#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))
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#define __boot_va(x) __va(x)
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#define __boot_pa(x) __pa(x)
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2008-10-03 23:54:25 +08:00
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/*
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* virt_to_page(kaddr) returns a valid pointer if and only if
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* virt_addr_valid(kaddr) returns true.
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*/
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2008-01-30 20:32:43 +08:00
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#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
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#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
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2008-10-03 23:54:25 +08:00
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extern bool __virt_addr_valid(unsigned long kaddr);
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#define virt_addr_valid(kaddr) __virt_addr_valid((unsigned long) (kaddr))
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2008-01-30 20:32:43 +08:00
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2008-01-30 20:32:42 +08:00
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#endif /* __ASSEMBLY__ */
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2008-01-30 20:32:44 +08:00
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#include <asm-generic/memory_model.h>
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#include <asm-generic/page.h>
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#define __HAVE_ARCH_GATE_AREA 1
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2008-01-30 20:32:42 +08:00
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2008-01-30 20:32:44 +08:00
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#endif /* __KERNEL__ */
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2008-10-23 13:26:29 +08:00
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#endif /* _ASM_X86_PAGE_H */
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