fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-sparc / cacheflush.h
blob68ac109102715911f5ff244cfa8ee1a5cfb8d751
1 #ifndef _SPARC_CACHEFLUSH_H
2 #define _SPARC_CACHEFLUSH_H
4 #include <linux/mm.h> /* Common for other includes */
5 // #include <linux/kernel.h> from pgalloc.h
6 // #include <linux/sched.h> from pgalloc.h
8 // #include <asm/page.h>
9 #include <asm/btfixup.h>
12 * Fine grained cache flushing.
14 #ifdef CONFIG_SMP
16 BTFIXUPDEF_CALL(void, local_flush_cache_all, void)
17 BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *)
18 BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
19 BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long)
21 #define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)()
22 #define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm)
23 #define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end)
24 #define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr)
26 BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long)
27 BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long)
29 #define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr)
30 #define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr)
32 extern void smp_flush_cache_all(void);
33 extern void smp_flush_cache_mm(struct mm_struct *mm);
34 extern void smp_flush_cache_range(struct vm_area_struct *vma,
35 unsigned long start,
36 unsigned long end);
37 extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page);
39 extern void smp_flush_page_to_ram(unsigned long page);
40 extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr);
42 #endif /* CONFIG_SMP */
44 BTFIXUPDEF_CALL(void, flush_cache_all, void)
45 BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *)
46 BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
47 BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long)
49 #define flush_cache_all() BTFIXUP_CALL(flush_cache_all)()
50 #define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
51 #define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
52 #define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end)
53 #define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr)
54 #define flush_icache_range(start, end) do { } while (0)
55 #define flush_icache_page(vma, pg) do { } while (0)
57 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
59 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
60 do { \
61 flush_cache_page(vma, vaddr, page_to_pfn(page));\
62 memcpy(dst, src, len); \
63 } while (0)
64 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
65 do { \
66 flush_cache_page(vma, vaddr, page_to_pfn(page));\
67 memcpy(dst, src, len); \
68 } while (0)
70 BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long)
71 BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)
73 #define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr)
74 #define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr)
76 extern void sparc_flush_page_to_ram(struct page *page);
78 #define flush_dcache_page(page) sparc_flush_page_to_ram(page)
79 #define flush_dcache_mmap_lock(mapping) do { } while (0)
80 #define flush_dcache_mmap_unlock(mapping) do { } while (0)
82 #define flush_cache_vmap(start, end) flush_cache_all()
83 #define flush_cache_vunmap(start, end) flush_cache_all()
85 #endif /* _SPARC_CACHEFLUSH_H */