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hurd: Fix enabling vm_copy

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http://lists.gnu.org/archive/html/bug-hurd/2014-12/msg00081.html

	* sysdeps/mach/pagecopy.h (PAGE_THRESHOLD): Rename to
	PAGE_COPY_THRESHOLD and set to benchmarked 16384.
This commit is contained in:
Samuel Thibault 2018-01-27 22:09:30 +01:00
parent f817775364
commit 41cdb1eb5a
2 changed files with 4 additions and 2 deletions
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ChangeLog
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@ -31,6 +31,8 @@
__task_terminate would ever return successfully.
* sysdeps/mach/hurd/profil.c (special_profil_failure): Move variable
to global scope.
* sysdeps/mach/pagecopy.h (PAGE_THRESHOLD): Rename to
PAGE_COPY_THRESHOLD and set to benchmarked 16384.
2018-01-27 James Clarke <jrtc27@jrtc27.com>

4
sysdeps/mach/pagecopy.h
View File

@ -19,8 +19,8 @@
#include <mach.h>
/* Threshold at which vm_copy is more efficient than well-optimized copying
by words. This parameter should be tuned as necessary. */
#define PAGE_THRESHOLD (2 * PAGE_SIZE) /* XXX ? */
by words. */
#define PAGE_COPY_THRESHOLD (16384)
#define PAGE_SIZE __vm_page_size
#define PAGE_COPY_FWD(dstp, srcp, nbytes_left, nbytes) \