* Add MADV_DONTNEED_LOCKED from Linux 5.18 to bits/mman-linux.h
@ 2022-05-31 20:09 Joseph Myers
2022-06-01 10:32 ` Andreas Schwab
0 siblings, 1 reply; 2+ messages in thread
From: Joseph Myers @ 2022-05-31 20:09 UTC (permalink / raw)
To: libc-alpha
Linux 5.18 adds a constant MADV_DONTNEED_LOCKED (defined in multiple
header files, but with the same value on all architectures). Add this
constant 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 85bc4d3c3c..cb5ad30ef9 100644
--- a/sysdeps/unix/sysv/linux/bits/mman-linux.h
+++ b/sysdeps/unix/sysv/linux/bits/mman-linux.h
@@ -93,6 +93,8 @@
readable. */
# define MADV_POPULATE_WRITE 23 /* Populate (prefault) page tables
writable. */
+# define MADV_DONTNEED_LOCKED 24 /* Like MADV_DONTNEED, but drop
+ locked pages too. */
# define MADV_HWPOISON 100 /* Poison a page for testing. */
#endif
--
Joseph S. Myers
joseph@codesourcery.com
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Add MADV_DONTNEED_LOCKED from Linux 5.18 to bits/mman-linux.h
2022-05-31 20:09 Add MADV_DONTNEED_LOCKED from Linux 5.18 to bits/mman-linux.h Joseph Myers
@ 2022-06-01 10:32 ` Andreas Schwab
0 siblings, 0 replies; 2+ messages in thread
From: Andreas Schwab @ 2022-06-01 10:32 UTC (permalink / raw)
To: Joseph Myers; +Cc: libc-alpha
On Mai 31 2022, Joseph Myers wrote:
> Linux 5.18 adds a constant MADV_DONTNEED_LOCKED (defined in multiple
> header files, but with the same value on all architectures). Add this
> constant to bits/mman-linux.h.
Ok.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-05-31 20:09 Add MADV_DONTNEED_LOCKED from Linux 5.18 to bits/mman-linux.h Joseph Myers
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