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[v2,4/5] tools: testing: update tools UAPI header for mman-common.h

Message ID 6899594f48ef250d6984bbcb90877f92a0cb1753.1729440856.git.lorenzo.stoakes@oracle.com (mailing list archive)
State New
Headers show
Series implement lightweight guard pages | expand

Commit Message

Lorenzo Stoakes Oct. 20, 2024, 4:20 p.m. UTC 
Import the new MADV_GUARD_POISON/UNPOISON madvise flags.

Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
---
 tools/include/uapi/asm-generic/mman-common.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/tools/include/uapi/asm-generic/mman-common.h b/tools/include/uapi/asm-generic/mman-common.h
index 6ce1f1ceb432..5dfd3d442de4 100644
--- a/tools/include/uapi/asm-generic/mman-common.h
+++ b/tools/include/uapi/asm-generic/mman-common.h
@@ -79,6 +79,9 @@ 
 
 #define MADV_COLLAPSE	25		/* Synchronous hugepage collapse */
 
+#define MADV_GUARD_POISON 102		/* fatal signal on access to range */
+#define MADV_GUARD_UNPOISON 103		/* revoke guard poisoning */
+
 /* compatibility flags */
 #define MAP_FILE	0