diff options
| author | Alan Cox <alc@FreeBSD.org> | 2003-01-08 19:58:42 +0000 |
|---|---|---|
| committer | Alan Cox <alc@FreeBSD.org> | 2003-01-08 19:58:42 +0000 |
| commit | 9a032278bded989ec63998a2fa88e66ec40f768b (patch) | |
| tree | 84255a8bc5f6f6a61e36e8bb4d028b675f350221 /sys | |
| parent | 338633abf8ec34cbdadfe97e77893118a5f51ede (diff) | |
Notes
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/vm/vm_page.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index bc34dc64281ab..5bd612a325b51 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -785,23 +785,16 @@ vm_page_alloc(vm_object_t object, vm_pindex_t pindex, int req) s = splvm(); loop: mtx_lock_spin(&vm_page_queue_free_mtx); - if (cnt.v_free_count > cnt.v_free_reserved) { - /* - * Allocate from the free queue if there are plenty of pages - * in it. - */ - m = vm_page_select_free(color, (req & VM_ALLOC_ZERO) != 0); - - } else if ( + if (cnt.v_free_count > cnt.v_free_reserved || (page_req == VM_ALLOC_SYSTEM && cnt.v_cache_count == 0 && cnt.v_free_count > cnt.v_interrupt_free_min) || - (page_req == VM_ALLOC_INTERRUPT && cnt.v_free_count > 0) - ) { + (page_req == VM_ALLOC_INTERRUPT && cnt.v_free_count > 0)) { /* - * Interrupt or system, dig deeper into the free list. + * Allocate from the free queue if the number of free pages + * exceeds the minimum for the request class. */ - m = vm_page_select_free(color, FALSE); + m = vm_page_select_free(color, (req & VM_ALLOC_ZERO) != 0); } else if (page_req != VM_ALLOC_INTERRUPT) { mtx_unlock_spin(&vm_page_queue_free_mtx); /* |