version 1.111, 2005/05/08 18:44:39 |
version 1.111.2.1, 2005/07/07 12:07:38 |
Line 265 sokvafree(vaddr_t sva, vsize_t len) |
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Line 265 sokvafree(vaddr_t sva, vsize_t len) |
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} |
} |
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static void |
static void |
sodoloanfree(struct vm_page **pgs, caddr_t buf, size_t size) |
sodoloanfree(struct vm_page **pgs, caddr_t buf, size_t size, boolean_t mapped) |
{ |
{ |
vaddr_t va, sva, eva; |
vaddr_t sva, eva; |
vsize_t len; |
vsize_t len; |
paddr_t pa; |
int npgs; |
int i, npgs; |
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KASSERT(pgs != NULL); |
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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; |
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if (__predict_false(pgs == NULL)) { |
if (mapped) { |
pgs = alloca(npgs * sizeof(*pgs)); |
pmap_kremove(sva, len); |
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pmap_update(pmap_kernel()); |
for (i = 0, va = sva; va < eva; i++, va += PAGE_SIZE) { |
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if (pmap_extract(pmap_kernel(), va, &pa) == FALSE) |
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panic("sodoloanfree: va 0x%lx not mapped", va); |
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pgs[i] = PHYS_TO_VM_PAGE(pa); |
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} |
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} |
} |
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pmap_kremove(sva, len); |
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pmap_update(pmap_kernel()); |
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uvm_unloan(pgs, npgs, UVM_LOAN_TOPAGE); |
uvm_unloan(pgs, npgs, UVM_LOAN_TOPAGE); |
sokvafree(sva, len); |
sokvafree(sva, len); |
} |
} |
Line 336 sodopendfreel(struct socket *so) |
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Line 329 sodopendfreel(struct socket *so) |
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for (; m != NULL; m = next) { |
for (; m != NULL; m = next) { |
next = m->m_next; |
next = m->m_next; |
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KASSERT((~m->m_flags & (M_EXT|M_EXT_PAGES)) == 0); |
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KASSERT(!MCLISREFERENCED(m)); |
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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); |
(m->m_ext.ext_flags & M_EXT_LAZY) == 0); |
pool_cache_put(&mbpool_cache, m); |
pool_cache_put(&mbpool_cache, m); |
} |
} |
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Line 356 soloanfree(struct mbuf *m, caddr_t buf, |
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Line 351 soloanfree(struct mbuf *m, caddr_t buf, |
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{ |
{ |
int s; |
int s; |
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if (m == NULL) { |
KASSERT(m != NULL); |
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/* |
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* called from MEXTREMOVE. |
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*/ |
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sodoloanfree(NULL, buf, size); |
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return; |
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} |
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/* |
/* |
* postpone freeing mbuf. |
* postpone freeing mbuf. |
Line 389 sosend_loan(struct socket *so, struct ui |
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Line 376 sosend_loan(struct socket *so, struct ui |
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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; |
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#if 0 |
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vaddr_t va; |
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int i; |
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#endif |
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if (uio->uio_segflg != UIO_USERSPACE) |
if (uio->uio_segflg != UIO_USERSPACE) |
return (0); |
return (0); |
Line 420 sosend_loan(struct socket *so, struct ui |
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Line 411 sosend_loan(struct socket *so, struct ui |
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return (0); |
return (0); |
} |
} |
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#if 0 |
for (i = 0, va = lva; i < npgs; i++, va += PAGE_SIZE) |
for (i = 0, va = lva; i < npgs; i++, va += PAGE_SIZE) |
pmap_kenter_pa(va, VM_PAGE_TO_PHYS(m->m_ext.ext_pgs[i]), |
pmap_kenter_pa(va, VM_PAGE_TO_PHYS(m->m_ext.ext_pgs[i]), |
VM_PROT_READ); |
VM_PROT_READ); |
pmap_update(pmap_kernel()); |
pmap_update(pmap_kernel()); |
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#endif |
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lva += (vaddr_t) iov->iov_base & PAGE_MASK; |
lva += (vaddr_t) iov->iov_base & PAGE_MASK; |
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MEXTADD(m, (caddr_t) lva, space, M_MBUF, soloanfree, so); |
MEXTADD(m, (caddr_t) lva, space, M_MBUF, soloanfree, so); |
m->m_flags |= M_EXT_PAGES | M_EXT_ROMAP; |
m->m_flags |= M_EXT_PAGES | M_EXT_ROMAP; |
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m->m_flags |= M_EXT_LAZY; |
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m->m_ext.ext_flags |= M_EXT_LAZY; |
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uio->uio_resid -= space; |
uio->uio_resid -= space; |
/* uio_offset not updated, not set/used for write(2) */ |
/* uio_offset not updated, not set/used for write(2) */ |
uio->uio_iov->iov_base = (caddr_t) uio->uio_iov->iov_base + space; |
uio->uio_iov->iov_base = (caddr_t) uio->uio_iov->iov_base + space; |