1 files changed, 0 insertions, 122 deletions
diff --git a/linux-2.6-xen-sparse/include/linux/highmem.h b/linux-2.6-xen-sparse/include/linux/highmem.h
deleted file mode 100644
index a7a0d2a452..0000000000
--- a/linux-2.6-xen-sparse/include/linux/highmem.h
+++ /dev/null
@@ -1,122 +0,0 @@
-#ifndef _LINUX_HIGHMEM_H
-#define _LINUX_HIGHMEM_H
-
-#include <linux/fs.h>
-#include <linux/mm.h>
-
-#include <asm/cacheflush.h>
-
-#ifndef ARCH_HAS_FLUSH_ANON_PAGE
-static inline void flush_anon_page(struct page *page, unsigned long vmaddr)
-{
-}
-#endif
-
-#ifndef ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
-static inline void flush_kernel_dcache_page(struct page *page)
-{
-}
-#endif
-
-#ifdef CONFIG_HIGHMEM
-
-#include <asm/highmem.h>
-
-/* declarations for linux/mm/highmem.c */
-unsigned int nr_free_highpages(void);
-#ifdef CONFIG_XEN
-void kmap_flush_unused(void);
-#endif
-
-#else /* CONFIG_HIGHMEM */
-
-static inline unsigned int nr_free_highpages(void) { return 0; }
-#ifdef CONFIG_XEN
-static inline void kmap_flush_unused(void) { }
-#endif
-
-static inline void *kmap(struct page *page)
-{
-	might_sleep();
-	return page_address(page);
-}
-
-#define kunmap(page) do { (void) (page); } while (0)
-
-#define kmap_atomic(page, idx)		page_address(page)
-#define kunmap_atomic(addr, idx)	do { } while (0)
-#define kmap_atomic_pfn(pfn, idx)	page_address(pfn_to_page(pfn))
-#define kmap_atomic_to_page(ptr)	virt_to_page(ptr)
-
-#endif /* CONFIG_HIGHMEM */
-
-/* when CONFIG_HIGHMEM is not set these will be plain clear/copy_page */
-static inline void clear_user_highpage(struct page *page, unsigned long vaddr)
-{
-	void *addr = kmap_atomic(page, KM_USER0);
-	clear_user_page(addr, vaddr, page);
-	kunmap_atomic(addr, KM_USER0);
-	/* Make sure this page is cleared on other CPU's too before using it */
-	smp_wmb();
-}
-
-#ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
-static inline struct page *
-alloc_zeroed_user_highpage(struct vm_area_struct *vma, unsigned long vaddr)
-{
-	struct page *page = alloc_page_vma(GFP_HIGHUSER, vma, vaddr);
-
-	if (page)
-		clear_user_highpage(page, vaddr);
-
-	return page;
-}
-#endif
-
-static inline void clear_highpage(struct page *page)
-{
-	void *kaddr = kmap_atomic(page, KM_USER0);
-	clear_page(kaddr);
-	kunmap_atomic(kaddr, KM_USER0);
-}
-
-/*
- * Same but also flushes aliased cache contents to RAM.
- */
-static inline void memclear_highpage_flush(struct page *page, unsigned int offset, unsigned int size)
-{
-	void *kaddr;
-
-	BUG_ON(offset + size > PAGE_SIZE);
-
-	kaddr = kmap_atomic(page, KM_USER0);
-	memset((char *)kaddr + offset, 0, size);
-	flush_dcache_page(page);
-	kunmap_atomic(kaddr, KM_USER0);
-}
-
-static inline void copy_user_highpage(struct page *to, struct page *from, unsigned long vaddr)
-{
-	char *vfrom, *vto;
-
-	vfrom = kmap_atomic(from, KM_USER0);
-	vto = kmap_atomic(to, KM_USER1);
-	copy_user_page(vto, vfrom, vaddr, to);
-	kunmap_atomic(vfrom, KM_USER0);
-	kunmap_atomic(vto, KM_USER1);
-	/* Make sure this page is cleared on other CPU's too before using it */
-	smp_wmb();
-}
-
-static inline void copy_highpage(struct page *to, struct page *from)
-{
-	char *vfrom, *vto;
-
-	vfrom = kmap_atomic(from, KM_USER0);
-	vto = kmap_atomic(to, KM_USER1);
-	copy_page(vto, vfrom);
-	kunmap_atomic(vfrom, KM_USER0);
-	kunmap_atomic(vto, KM_USER1);
-}
-
-#endif /* _LINUX_HIGHMEM_H */