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authorPeter Zijlstra <peterz@infradead.org>2025-11-21 11:21:20 +0100
committerPeter Zijlstra <peterz@infradead.org>2025-11-21 11:21:20 +0100
commit2ace52718376fdb56aca863da2eebe70d7e2ddb1 (patch)
tree494517cf79608fa93840a3c84ee5e6118da5f26f /include/linux/raid/pq.h
parenta53d0cf7f1cb3182ad533ff5cacfa5fd29c419ad (diff)
parent11991999a20145b7f8af21202d0cac6b1f90a6e4 (diff)
Merge branch 'objtool/core'
Bring in the UDB and objtool data annotations to avoid conflicts while further extending the bug exceptions. Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'include/linux/raid/pq.h')
-rw-r--r--include/linux/raid/pq.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h
index 72ff44cca864..2467b3be15c9 100644
--- a/include/linux/raid/pq.h
+++ b/include/linux/raid/pq.h
@@ -11,8 +11,13 @@
#ifdef __KERNEL__
#include <linux/blkdev.h>
+#include <linux/mm.h>
-extern const char raid6_empty_zero_page[PAGE_SIZE];
+/* This should be const but the raid6 code is too convoluted for that. */
+static inline void *raid6_get_zero_page(void)
+{
+ return page_address(ZERO_PAGE(0));
+}
#else /* ! __KERNEL__ */
/* Used for testing in user space */
@@ -191,6 +196,11 @@ static inline uint32_t raid6_jiffies(void)
return tv.tv_sec*1000 + tv.tv_usec/1000;
}
+static inline void *raid6_get_zero_page(void)
+{
+ return raid6_empty_zero_page;
+}
+
#endif /* ! __KERNEL__ */
#endif /* LINUX_RAID_RAID6_H */