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| author | alc <alc@FreeBSD.org> | 2015-04-20 17:43:36 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2015-04-20 17:43:36 +0000 |
| commit | 48e295fadf174a12313b8228f727a9197df52ca9 (patch) | |
| tree | bc8c4b1645e44ad1d474de7206c92f54b266dfc5 /sys/kern/uipc_shm.c | |
| parent | 248744ce23c52eb9b90cde312d134b95d2830066 (diff) | |
| download | FreeBSD-src-48e295fadf174a12313b8228f727a9197df52ca9.zip FreeBSD-src-48e295fadf174a12313b8228f727a9197df52ca9.tar.gz | |
MFC r278402
Preset the object's color, or alignment, to maximize superpage usage.
Diffstat (limited to 'sys/kern/uipc_shm.c')
| -rw-r--r-- | sys/kern/uipc_shm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/uipc_shm.c b/sys/kern/uipc_shm.c index 015bd79..f11c6ea 100644 --- a/sys/kern/uipc_shm.c +++ b/sys/kern/uipc_shm.c @@ -554,9 +554,10 @@ shm_alloc(struct ucred *ucred, mode_t mode) shmfd->shm_object = vm_pager_allocate(OBJT_DEFAULT, NULL, shmfd->shm_size, VM_PROT_DEFAULT, 0, ucred); KASSERT(shmfd->shm_object != NULL, ("shm_create: vm_pager_allocate")); + shmfd->shm_object->pg_color = 0; VM_OBJECT_WLOCK(shmfd->shm_object); vm_object_clear_flag(shmfd->shm_object, OBJ_ONEMAPPING); - vm_object_set_flag(shmfd->shm_object, OBJ_NOSPLIT); + vm_object_set_flag(shmfd->shm_object, OBJ_COLORED | OBJ_NOSPLIT); VM_OBJECT_WUNLOCK(shmfd->shm_object); vfs_timestamp(&shmfd->shm_birthtime); shmfd->shm_atime = shmfd->shm_mtime = shmfd->shm_ctime = |
