| version 1.155, 2008/03/21 21:55:00 |
version 1.156, 2008/03/24 12:24:37 |
| Line 253 sokvafree(vaddr_t sva, vsize_t len) |
|
| Line 253 sokvafree(vaddr_t sva, vsize_t len) |
|
| static void |
static void |
| sodoloanfree(struct vm_page **pgs, void *buf, size_t size) |
sodoloanfree(struct vm_page **pgs, void *buf, size_t size) |
| { |
{ |
| vaddr_t va, sva, eva; |
vaddr_t sva, eva; |
| vsize_t len; |
vsize_t len; |
| paddr_t pa; |
int npgs; |
| int i, npgs; |
|
| |
KASSERT(pgs != NULL); |
| |
|
| eva = round_page((vaddr_t) buf + size); |
eva = round_page((vaddr_t) buf + size); |
| sva = trunc_page((vaddr_t) buf); |
sva = trunc_page((vaddr_t) buf); |
| len = eva - sva; |
len = eva - sva; |
| npgs = len >> PAGE_SHIFT; |
npgs = len >> PAGE_SHIFT; |
| |
|
| if (__predict_false(pgs == NULL)) { |
|
| pgs = alloca(npgs * sizeof(*pgs)); |
|
| |
|
| for (i = 0, va = sva; va < eva; i++, va += PAGE_SIZE) { |
|
| if (pmap_extract(pmap_kernel(), va, &pa) == false) |
|
| panic("sodoloanfree: va 0x%lx not mapped", va); |
|
| pgs[i] = PHYS_TO_VM_PAGE(pa); |
|
| } |
|
| } |
|
| |
|
| pmap_kremove(sva, len); |
pmap_kremove(sva, len); |
| pmap_update(pmap_kernel()); |
pmap_update(pmap_kernel()); |
| uvm_unloan(pgs, npgs, UVM_LOAN_TOPAGE); |
uvm_unloan(pgs, npgs, UVM_LOAN_TOPAGE); |
| Line 313 sodopendfreel(void) |
|
| Line 304 sodopendfreel(void) |
|
| |
|
| for (; m != NULL; m = next) { |
for (; m != NULL; m = next) { |
| next = m->m_next; |
next = m->m_next; |
| |
KASSERT((~m->m_flags & (M_EXT|M_EXT_PAGES)) == 0); |
| |
KASSERT(m->m_ext.ext_refcnt == 0); |
| |
|
| rv += m->m_ext.ext_size; |
rv += m->m_ext.ext_size; |
| sodoloanfree((m->m_flags & M_EXT_PAGES) ? |
sodoloanfree(m->m_ext.ext_pgs, m->m_ext.ext_buf, |
| m->m_ext.ext_pgs : NULL, m->m_ext.ext_buf, |
|
| m->m_ext.ext_size); |
m->m_ext.ext_size); |
| pool_cache_put(mb_cache, m); |
pool_cache_put(mb_cache, m); |
| } |
} |
|
|
| soloanfree(struct mbuf *m, void *buf, size_t size, void *arg) |
soloanfree(struct mbuf *m, void *buf, size_t size, void *arg) |
| { |
{ |
| |
|
| if (m == NULL) { |
KASSERT(m != NULL); |
| |
|
| /* |
|
| * called from MEXTREMOVE. |
|
| */ |
|
| |
|
| sodoloanfree(NULL, buf, size); |
|
| return; |
|
| } |
|
| |
|
| /* |
/* |
| * postpone freeing mbuf. |
* postpone freeing mbuf. |
| Line 361 sosend_loan(struct socket *so, struct ui |
|
| Line 345 sosend_loan(struct socket *so, struct ui |
|
| struct iovec *iov = uio->uio_iov; |
struct iovec *iov = uio->uio_iov; |
| vaddr_t sva, eva; |
vaddr_t sva, eva; |
| vsize_t len; |
vsize_t len; |
| vaddr_t lva, va; |
vaddr_t lva; |
| int npgs, i, error; |
int npgs, error; |
| |
vaddr_t va; |
| |
int i; |
| |
|
| if (VMSPACE_IS_KERNEL_P(uio->uio_vmspace)) |
if (VMSPACE_IS_KERNEL_P(uio->uio_vmspace)) |
| return (0); |
return (0); |