Message ID | alpine.DEB.2.22.394.2109072123510.1731265@digraph.polyomino.org.uk |
---|---|
State | New |
Headers | show |
Series | Add MADV_POPULATE_READ and MADV_POPULATE_WRITE from Linux 5.14 to bits/mman-linux.h | expand |
Joseph Myers <joseph@codesourcery.com> writes: > +# define MADV_POPULATE_READ 22 /* Populate (prefault) page tables > + readable. */ > +# define MADV_POPULATE_WRITE 23 /* Populate (prefault) page tables > + writable. */ Confirmed that these are the correct values across all arch's in the linux source tree. Reviewed-by: DJ Delorie <dj@redhat.com>
diff --git a/sysdeps/unix/sysv/linux/bits/mman-linux.h b/sysdeps/unix/sysv/linux/bits/mman-linux.h index 3b1ae418e0..31451c28d9 100644 --- a/sysdeps/unix/sysv/linux/bits/mman-linux.h +++ b/sysdeps/unix/sysv/linux/bits/mman-linux.h @@ -89,6 +89,10 @@ # define MADV_KEEPONFORK 19 /* Undo MADV_WIPEONFORK. */ # define MADV_COLD 20 /* Deactivate these pages. */ # define MADV_PAGEOUT 21 /* Reclaim these pages. */ +# define MADV_POPULATE_READ 22 /* Populate (prefault) page tables + readable. */ +# define MADV_POPULATE_WRITE 23 /* Populate (prefault) page tables + writable. */ # define MADV_HWPOISON 100 /* Poison a page for testing. */ #endif