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| author | Joseph Myers <joseph@codesourcery.com> | 2021-09-14 14:19:24 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2021-09-14 14:19:24 +0000 |
| commit | 3561106278cddd2f007bd27fd4c3e90caaf14b43 (patch) | |
| tree | f1d1fbae172491746824da02b991d9f7050c5399 | |
| parent | 4b39e3498324d1aea802fea8d4b8764f5ddb4fd1 (diff) | |
| download | glibc-3561106278cddd2f007bd27fd4c3e90caaf14b43.zip glibc-3561106278cddd2f007bd27fd4c3e90caaf14b43.tar.gz glibc-3561106278cddd2f007bd27fd4c3e90caaf14b43.tar.bz2 | |
Add MADV_POPULATE_READ and MADV_POPULATE_WRITE from Linux 5.14 to bits/mman-linux.h
Linux 5.14 adds constants MADV_POPULATE_READ and MADV_POPULATE_WRITE
(with the same values on all architectures). Add these to glibc's
bits/mman-linux.h.
Tested for x86_64.
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/mman-linux.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/mman-linux.h b/sysdeps/unix/sysv/linux/bits/mman-linux.h index 3b1ae41..31451c2 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 |