diff options
Diffstat (limited to 'sys/ia64')
| -rw-r--r-- | sys/ia64/ia64/pmap.c | 47 | ||||
| -rw-r--r-- | sys/ia64/include/param.h | 1 |
2 files changed, 1 insertions, 47 deletions
diff --git a/sys/ia64/ia64/pmap.c b/sys/ia64/ia64/pmap.c index dd6ba1d..77effaa 100644 --- a/sys/ia64/ia64/pmap.c +++ b/sys/ia64/ia64/pmap.c @@ -765,53 +765,6 @@ pmap_track_modified(vm_offset_t va) return 0; } -/* - * Create the KSTACK for a new thread. - * This routine directly affects the fork perf for a process/thread. - */ -void -pmap_new_thread(struct thread *td, int pages) -{ - - /* Bounds check */ - if (pages <= 1) - pages = KSTACK_PAGES; - else if (pages > KSTACK_MAX_PAGES) - pages = KSTACK_MAX_PAGES; - td->td_kstack = (vm_offset_t)malloc(pages * PAGE_SIZE, M_PMAP, - M_WAITOK); - td->td_kstack_pages = pages; -} - -/* - * Dispose the KSTACK for a thread that has exited. - * This routine directly impacts the exit perf of a process/thread. - */ -void -pmap_dispose_thread(struct thread *td) -{ - - free((void*)td->td_kstack, M_PMAP); - td->td_kstack = 0; - td->td_kstack_pages = 0; -} - -/* - * Allow the KSTACK for a thread to be prejudicially paged out. - */ -void -pmap_swapout_thread(struct thread *td) -{ -} - -/* - * Bring the KSTACK for a specified thread back in. - */ -void -pmap_swapin_thread(struct thread *td) -{ -} - /*************************************************** * Page table page management routines..... ***************************************************/ diff --git a/sys/ia64/include/param.h b/sys/ia64/include/param.h index 2548fa6..1b3bf0c 100644 --- a/sys/ia64/include/param.h +++ b/sys/ia64/include/param.h @@ -135,6 +135,7 @@ #define SINCR 1 /* increment of stack/NBPG */ #define KSTACK_PAGES 4 /* pages of kernel stack */ +#define KSTACK_GUARD_PAGES 0 /* pages of kstack guard; 0 disables */ #define UAREA_PAGES 1 /* pages of u-area */ /* |
