1 files changed, 0 insertions, 123 deletions
diff --git a/arch/tile/include/asm/homecache.h b/arch/tile/include/asm/homecache.h
deleted file mode 100644
index 7ddd1b8d6910..000000000000
--- a/arch/tile/include/asm/homecache.h
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- *   This program is free software; you can redistribute it and/or
- *   modify it under the terms of the GNU General Public License
- *   as published by the Free Software Foundation, version 2.
- *
- *   This program is distributed in the hope that it will be useful, but
- *   WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- *   NON INFRINGEMENT.  See the GNU General Public License for
- *   more details.
- *
- * Handle issues around the Tile "home cache" model of coherence.
- */
-
-#ifndef _ASM_TILE_HOMECACHE_H
-#define _ASM_TILE_HOMECACHE_H
-
-#include <asm/page.h>
-#include <linux/cpumask.h>
-
-struct page;
-struct task_struct;
-struct vm_area_struct;
-struct zone;
-
-/*
- * Coherence point for the page is its memory controller.
- * It is not present in any cache (L1 or L2).
- */
-#define PAGE_HOME_UNCACHED -1
-
-/*
- * Is this page immutable (unwritable) and thus able to be cached more
- * widely than would otherwise be possible?  This means we have "nc" set.
- */
-#define PAGE_HOME_IMMUTABLE -2
-
-/*
- * Each cpu considers its own cache to be the home for the page,
- * which makes it incoherent.
- */
-#define PAGE_HOME_INCOHERENT -3
-
-/* Home for the page is distributed via hash-for-home. */
-#define PAGE_HOME_HASH -4
-
-/* Support wrapper to use instead of explicit hv_flush_remote(). */
-extern void flush_remote(unsigned long cache_pfn, unsigned long cache_length,
-			 const struct cpumask *cache_cpumask,
-			 HV_VirtAddr tlb_va, unsigned long tlb_length,
-			 unsigned long tlb_pgsize,
-			 const struct cpumask *tlb_cpumask,
-			 HV_Remote_ASID *asids, int asidcount);
-
-/* Set homing-related bits in a PTE (can also pass a pgprot_t). */
-extern pte_t pte_set_home(pte_t pte, int home);
-
-/* Do a cache eviction on the specified cpus. */
-extern void homecache_evict(const struct cpumask *mask);
-
-/*
- * Change a kernel page's homecache.  It must not be mapped in user space.
- * If !CONFIG_HOMECACHE, only usable on LOWMEM, and can only be called when
- * no other cpu can reference the page, and causes a full-chip cache/TLB flush.
- */
-extern void homecache_change_page_home(struct page *, int order, int home);
-
-/*
- * Flush a page out of whatever cache(s) it is in.
- * This is more than just finv, since it properly handles waiting
- * for the data to reach memory, but it can be quite
- * heavyweight, particularly on incoherent or immutable memory.
- */
-extern void homecache_finv_page(struct page *);
-
-/*
- * Flush a page out of the specified home cache.
- * Note that the specified home need not be the actual home of the page,
- * as for example might be the case when coordinating with I/O devices.
- */
-extern void homecache_finv_map_page(struct page *, int home);
-
-/*
- * Allocate a page with the given GFP flags, home, and optionally
- * node.  These routines are actually just wrappers around the normal
- * alloc_pages() / alloc_pages_node() functions, which set and clear
- * a per-cpu variable to communicate with homecache_new_kernel_page().
- * If !CONFIG_HOMECACHE, uses homecache_change_page_home().
- */
-extern struct page *homecache_alloc_pages(gfp_t gfp_mask,
-					  unsigned int order, int home);
-extern struct page *homecache_alloc_pages_node(int nid, gfp_t gfp_mask,
-					       unsigned int order, int home);
-#define homecache_alloc_page(gfp_mask, home) \
-  homecache_alloc_pages(gfp_mask, 0, home)
-
-/*
- * These routines are just pass-throughs to free_pages() when
- * we support full homecaching.  If !CONFIG_HOMECACHE, then these
- * routines use homecache_change_page_home() to reset the home
- * back to the default before returning the page to the allocator.
- */
-void __homecache_free_pages(struct page *, unsigned int order);
-void homecache_free_pages(unsigned long addr, unsigned int order);
-#define __homecache_free_page(page) __homecache_free_pages((page), 0)
-#define homecache_free_page(page) homecache_free_pages((page), 0)
-
-
-/*
- * Report the page home for LOWMEM pages by examining their kernel PTE,
- * or for highmem pages as the default home.
- */
-extern int page_home(struct page *);
-
-#define homecache_migrate_kthread() do {} while (0)
-
-#define homecache_kpte_lock() 0
-#define homecache_kpte_unlock(flags) do {} while (0)
-
-
-#endif /* _ASM_TILE_HOMECACHE_H */