diff options
| author |   art <art@openbsd.org> | 2002-12-20 07:48:00 +0000 |
|---|---|---|
| committer | art <art@openbsd.org> | 2002-12-20 07:48:00 +0000 |
| commit | eee03e1e96fe4e7ca11e1df23c81fc9a8f495318 (patch) | |
| tree | 02659b970e7b50696b318cc7649e1100da2b53c8 /sys/kern/subr_pool.c | |
| parent | Don't give people ideas. It's really hard to know when stuff won't (diff) | |
| download | wireguard-openbsd-eee03e1e96fe4e7ca11e1df23c81fc9a8f495318.tar.xz wireguard-openbsd-eee03e1e96fe4e7ca11e1df23c81fc9a8f495318.zip | |
- Clean up the defines in pool.h
- Allow a pool to be initialized with PR_DEBUG which will cause it to
allocate with malloc_debug.
- sprinkle some splassert.
Diffstat (limited to 'sys/kern/subr_pool.c')
| -rw-r--r-- | sys/kern/subr_pool.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/sys/kern/subr_pool.c b/sys/kern/subr_pool.c index 4005a8703ff..f076480964f 100644 --- a/sys/kern/subr_pool.c +++ b/sys/kern/subr_pool.c @@ -1,4 +1,4 @@ -/* $OpenBSD: subr_pool.c,v 1.37 2002/12/11 06:20:31 art Exp $ */ +/* $OpenBSD: subr_pool.c,v 1.38 2002/12/20 07:48:00 art Exp $ */ /* $NetBSD: subr_pool.c,v 1.61 2001/09/26 07:14:56 chs Exp $ */ /*- @@ -388,6 +388,10 @@ pool_init(struct pool *pp, size_t size, u_int align, u_int ioff, int flags, flags |= PR_LOGGING; #endif +#ifdef MALLOC_DEBUG + if ((flags & PR_DEBUG) && (ioff != 0 || align != 0)) + flags &= ~PR_DEBUG; +#endif /* * Check arguments and construct default values. */ @@ -625,6 +629,8 @@ pool_get(struct pool *pp, int flags) void *v; #ifdef DIAGNOSTIC + if ((flags & PR_WAITOK) != 0) + splassert(IPL_NONE); if (__predict_false(curproc == NULL && /* doing_shutdown == 0 && XXX*/ (flags & PR_WAITOK) != 0)) panic("pool_get: %s:must have NOWAIT", pp->pr_wchan); @@ -635,6 +641,17 @@ pool_get(struct pool *pp, int flags) #endif #endif /* DIAGNOSTIC */ +#ifdef MALLOC_DEBUG + if (pp->pr_roflags & PR_DEBUG) { + void *addr; + + addr = NULL; + debug_malloc(pp->pr_size, M_DEBUG, + (flags & PR_WAITOK) ? M_WAITOK : M_NOWAIT, &addr); + return (addr); + } +#endif + simple_lock(&pp->pr_slock); pr_enter(pp, file, line); @@ -866,6 +883,13 @@ pool_do_put(struct pool *pp, void *v) caddr_t page; int s; +#ifdef MALLOC_DEBUG + if (pp->pr_roflags & PR_DEBUG) { + debug_free(v, M_DEBUG); + return; + } +#endif + LOCK_ASSERT(simple_lock_held(&pp->pr_slock)); page = (caddr_t)((vaddr_t)v & pp->pr_alloc->pa_pagemask); @@ -1116,6 +1140,8 @@ pool_prime_page(struct pool *pp, caddr_t storage, struct pool_item_header *ph) while (n--) { pi = (struct pool_item *)cp; + KASSERT(((((vaddr_t)pi) + ioff) & (align - 1)) == 0); + /* Insert on page list */ TAILQ_INSERT_TAIL(&ph->ph_itemlist, pi, pi_list); #ifdef DIAGNOSTIC @@ -2048,6 +2074,8 @@ pool_page_alloc_nointr(struct pool *pp, int flags) { boolean_t waitok = (flags & PR_WAITOK) ? TRUE : FALSE; + splassert(IPL_NONE); + return ((void *)uvm_km_alloc_poolpage1(kernel_map, uvm.kernel_object, waitok)); } @@ -2055,5 +2083,7 @@ pool_page_alloc_nointr(struct pool *pp, int flags) void pool_page_free_nointr(struct pool *pp, void *v) { + splassert(IPL_NONE); + uvm_km_free_poolpage1(kernel_map, (vaddr_t)v); } |