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Define MADV_COLD and MADV_PAGEOUT from Linux 5.4.

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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.
This commit is contained in:
Joseph Myers
2019-11-28 14:54:22 +00:00
parent e37c2cf299
commit aa9452a3b1
1 changed files with 2 additions and 0 deletions
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2
sysdeps/unix/sysv/linux/bits/mman-linux.h
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@ -87,6 +87,8 @@
# define MADV_DODUMP 17 /* Clear the MADV_DONTDUMP flag. */ # define MADV_DODUMP 17 /* Clear the MADV_DONTDUMP flag. */
# define MADV_WIPEONFORK 18 /* Zero memory on fork, child only. */ # define MADV_WIPEONFORK 18 /* Zero memory on fork, child only. */
# define MADV_KEEPONFORK 19 /* Undo MADV_WIPEONFORK. */ # 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. */ # define MADV_HWPOISON 100 /* Poison a page for testing. */
#endif #endif