patch-2.4.19 linux-2.4.19/include/asm-alpha/pgalloc.h

• Lines: 35
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-alpha/pgalloc.h
• Orig date: Thu May 24 15:20:18 2001

diff -urN linux-2.4.18/include/asm-alpha/pgalloc.h linux-2.4.19/include/asm-alpha/pgalloc.h
@@ -70,8 +70,7 @@
 }
 
 /* We need to flush the userspace icache after setting breakpoints in
-   ptrace.  I don't think it's needed in do_swap_page, or do_no_page,
-   but I don't know how to get rid of it either.
+   ptrace.
 
    Instead of indiscriminately using imb, take advantage of the fact
    that icache entries are tagged with the ASN and load a new mm context.  */
@@ -79,7 +78,8 @@
 
 #ifndef CONFIG_SMP
 static inline void
-flush_icache_page(struct vm_area_struct *vma, struct page *page)
+flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
+			unsigned long addr, int len)
 {
 	if (vma->vm_flags & VM_EXEC) {
 		struct mm_struct *mm = vma->vm_mm;
@@ -90,9 +90,13 @@
 	}
 }
 #else
-extern void flush_icache_page(struct vm_area_struct *vma, struct page *page);
+extern void flush_icache_user_range(struct vm_area_struct *vma,
+		struct page *page, unsigned long addr, int len);
 #endif
 
+/* this is used only in do_no_page and do_swap_page */
+#define flush_icache_page(vma, page)	flush_icache_user_range((vma), (page), 0, 0)
+
 /*
  * Flush just one page in the current TLB set.
  * We need to be very careful about the icache here, there