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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-01-27 22:09:30 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-01-27 22:09:30 +0100 |
| commit | 41cdb1eb5a3627c3b6b6c4f74503233d9689a397 (patch) | |
| tree | f7b950b78a0005dfa459085ca39d1d0aed6f7fe6 | |
| parent | f817775364018856379b9475efd7b4345db66dc6 (diff) | |
| download | glibc-41cdb1eb5a3627c3b6b6c4f74503233d9689a397.zip glibc-41cdb1eb5a3627c3b6b6c4f74503233d9689a397.tar.gz glibc-41cdb1eb5a3627c3b6b6c4f74503233d9689a397.tar.bz2 | |
hurd: Fix enabling vm_copy
Benchmarked on
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.
| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | sysdeps/mach/pagecopy.h | 4 |
2 files changed, 4 insertions, 2 deletions
@@ -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 6285ffb..8583df4 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) \ |