diff options
| author |   art <art@openbsd.org> | 2010-07-02 01:25:05 +0000 |
|---|---|---|
| committer | art <art@openbsd.org> | 2010-07-02 01:25:05 +0000 |
| commit | 42096da3ae4c342a82999d07ee4cdfde744caa0f (patch) | |
| tree | ea95543e8547ac6f46ec0a436995b369890079c0 /sys/kern/subr_pool.c | |
| parent | Drop the uvm_km_pages.mtx mutex in uvm_km_putpage before we free va's, (diff) | |
| download | wireguard-openbsd-42096da3ae4c342a82999d07ee4cdfde744caa0f.tar.xz wireguard-openbsd-42096da3ae4c342a82999d07ee4cdfde744caa0f.zip | |
add an align argument to uvm_km_kmemalloc_pla.
Use uvm_km_kmemalloc_pla with the dma constraint to allocate kernel stacks.
Yes, that means DMA is possible to kernel stacks, but only until we've fixed
all the scary drivers.
deraadt@ ok
Diffstat (limited to 'sys/kern/subr_pool.c')
| -rw-r--r-- | sys/kern/subr_pool.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/kern/subr_pool.c b/sys/kern/subr_pool.c index edcc2fe1ce8..cd856ea8e68 100644 --- a/sys/kern/subr_pool.c +++ b/sys/kern/subr_pool.c @@ -1,4 +1,4 @@ -/* $OpenBSD: subr_pool.c,v 1.94 2010/06/29 20:39:27 thib Exp $ */ +/* $OpenBSD: subr_pool.c,v 1.95 2010/07/02 01:25:05 art Exp $ */ /* $NetBSD: subr_pool.c,v 1.61 2001/09/26 07:14:56 chs Exp $ */ /*- @@ -1491,8 +1491,8 @@ pool_large_alloc(struct pool *pp, int flags, int *slowdown) int s; s = splvm(); - va = uvm_km_kmemalloc_pla(kmem_map, NULL, pp->pr_alloc->pa_pagesz, kfl, - pp->pr_crange->ucr_low, pp->pr_crange->ucr_high, + va = uvm_km_kmemalloc_pla(kmem_map, NULL, pp->pr_alloc->pa_pagesz, 0, + kfl, pp->pr_crange->ucr_low, pp->pr_crange->ucr_high, 0, 0, pp->pr_pa_nsegs); splx(s); @@ -1515,7 +1515,7 @@ pool_large_alloc_ni(struct pool *pp, int flags, int *slowdown) int kfl = (flags & PR_WAITOK) ? 0 : UVM_KMF_NOWAIT; return ((void *)uvm_km_kmemalloc_pla(kernel_map, uvm.kernel_object, - pp->pr_alloc->pa_pagesz, kfl, + pp->pr_alloc->pa_pagesz, 0, kfl, pp->pr_crange->ucr_low, pp->pr_crange->ucr_high, 0, 0, pp->pr_pa_nsegs)); } |