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Define MADV_COLLAPSE from Linux 6.1

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Add the MADV_COLLAPSE constant from Linux 6.1 to bits/mman-linux.h and
the hppa bits/mman.h.

Tested for x86_64.
This commit is contained in:
Joseph Myers 2022-12-22 15:12:52 +00:00
parent e2b68828fa
commit 81a94a2ae3
2 changed files with 3 additions and 0 deletions
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1
sysdeps/unix/sysv/linux/bits/mman-linux.h
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@ -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

2
sysdeps/unix/sysv/linux/hppa/bits/mman.h
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@ -79,4 +79,6 @@
# define MADV_WIPEONFORK 71 /* Zero memory on fork, child only. */
# undef MADV_KEEPONFORK
# define MADV_KEEPONFORK 72 /* Undo MADV_WIPEONFORK. */
# undef MADV_COLLAPSE
# define MADV_COLLAPSE 73 /* Synchronous hugepage collapse. */
#endif