diff options
| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | sysdeps/mach/pagecopy.h | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 5e62415607..95e2c07df5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -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> diff --git a/sysdeps/mach/pagecopy.h b/sysdeps/mach/pagecopy.h index 6285ffb416..8583df4569 100644 --- a/sysdeps/mach/pagecopy.h +++ b/sysdeps/mach/pagecopy.h @@ -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) \ |