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Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/mman-linux.h')
-rw-r--r--sysdeps/unix/sysv/linux/bits/mman-linux.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/mman-linux.h b/sysdeps/unix/sysv/linux/bits/mman-linux.h
index 1fb7f888aa..c3818ce356 100644
--- a/sysdeps/unix/sysv/linux/bits/mman-linux.h
+++ b/sysdeps/unix/sysv/linux/bits/mman-linux.h
@@ -91,6 +91,7 @@
writable. */
# define MADV_DONTNEED_LOCKED 24 /* Like MADV_DONTNEED, but drop
locked pages too. */
+# define MADV_COLLAPSE 25 /* Synchronous hugepage collapse. */
# define MADV_HWPOISON 100 /* Poison a page for testing. */
#endif