Blackfin arch: switch to using proper defines this time THREAD_SIZE and PAGE_SIZE instead of just PAGE_SIZE everywhere
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/include/asm-blackfin/thread_info.h b/include/asm-blackfin/thread_info.h
index fa8f08c..34d3c2e 100644
--- a/include/asm-blackfin/thread_info.h
+++ b/include/asm-blackfin/thread_info.h
@@ -39,6 +39,11 @@
*/
#define ALIGN_PAGE_MASK 0xffffe000
+/*
+ * Size of kernel stack for each process. This must be a power of 2...
+ */
+#define THREAD_SIZE 8192 /* 2 pages */
+
#ifndef __ASSEMBLY__
typedef unsigned long mm_segment_t;
@@ -76,11 +81,6 @@
#define init_thread_info (init_thread_union.thread_info)
#define init_stack (init_thread_union.stack)
-/*
- * Size of kernel stack for each process. This must be a power of 2...
- */
-#define THREAD_SIZE 8192 /* 2 pages */
-
/* How to get the thread information struct from C */
static inline struct thread_info *current_thread_info(void)
@@ -94,7 +94,7 @@
struct thread_info *ti;
__asm__("%0 = sp;": "=&d"(ti):
);
- return (struct thread_info *)((long)ti & ~8191UL);
+ return (struct thread_info *)((long)ti & ~((long)THREAD_SIZE-1));
}
/* thread information allocation */