Define MADV_COLD and MADV_PAGEOUT from Linux 5.4.

Linux 5.4 adds constants MADV_COLD and MADV_PAGEOUT (defined with the
same values on all architectures).  This patch adds them to
bits/mman-linux.h.

Tested for x86_64.

diff --git a/sysdeps/unix/sysv/linux/bits/mman-linux.h b/sysdeps/unix/sysv/linux/bits/mman-linux.h
index d6755c59d5f5262fb311546a3e56e4dc49295f6b..c0b11bfe24865b54de9cba0c21ddff568cdf6a03 100644 (file)
--- a/sysdeps/unix/sysv/linux/bits/mman-linux.h
+++ b/sysdeps/unix/sysv/linux/bits/mman-linux.h
@@ -87,6 +87,8 @@
 # define MADV_DODUMP     17    /* Clear the MADV_DONTDUMP flag.  */
 # define MADV_WIPEONFORK  18   /* Zero memory on fork, child only.  */
 # define MADV_KEEPONFORK  19   /* Undo MADV_WIPEONFORK.  */
+# define MADV_COLD        20   /* Deactivate these pages.  */
+# define MADV_PAGEOUT     21   /* Reclaim these pages.  */
 # define MADV_HWPOISON   100   /* Poison a page for testing.  */
 #endif