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Lines 145-185
static int
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linprocfs_domeminfo(PFS_FILL_ARGS) |
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linprocfs_domeminfo(PFS_FILL_ARGS) |
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{ |
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{ |
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unsigned long memtotal; /* total memory in bytes */ |
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unsigned long memtotal; /* total memory in bytes */ |
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unsigned long memused; /* used memory in bytes */ |
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unsigned long memfree; /* free memory in bytes */ |
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unsigned long memfree; /* free memory in bytes */ |
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unsigned long buffers, cached; /* buffer / cache memory ??? */ |
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unsigned long cached; /* page cache */ |
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unsigned long buffers; /* buffer cache */ |
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unsigned long long swaptotal; /* total swap space in bytes */ |
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unsigned long long swaptotal; /* total swap space in bytes */ |
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unsigned long long swapused; /* used swap space in bytes */ |
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unsigned long long swapused; /* used swap space in bytes */ |
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unsigned long long swapfree; /* free swap space in bytes */ |
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unsigned long long swapfree; /* free swap space in bytes */ |
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int i, j; |
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size_t sz; |
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int error, i, j; |
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memtotal = physmem * PAGE_SIZE; |
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memtotal = physmem * PAGE_SIZE; |
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/* |
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memfree = (unsigned long)vm_free_count() * PAGE_SIZE; |
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* The correct thing here would be: |
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* |
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memfree = vm_free_count() * PAGE_SIZE; |
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memused = memtotal - memfree; |
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* |
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* but it might mislead linux binaries into thinking there |
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* is very little memory left, so we cheat and tell them that |
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* all memory that isn't wired down is free. |
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*/ |
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memused = vm_wire_count() * PAGE_SIZE; |
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memfree = memtotal - memused; |
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swap_pager_status(&i, &j); |
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swap_pager_status(&i, &j); |
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swaptotal = (unsigned long long)i * PAGE_SIZE; |
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swaptotal = (unsigned long long)i * PAGE_SIZE; |
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swapused = (unsigned long long)j * PAGE_SIZE; |
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swapused = (unsigned long long)j * PAGE_SIZE; |
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swapfree = swaptotal - swapused; |
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swapfree = swaptotal - swapused; |
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/* |
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cached = |
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* We'd love to be able to write: |
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(vm_active_count() + vm_inactive_count() + vm_laundry_count()) * |
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* |
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PAGE_SIZE; |
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buffers = bufspace; |
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* |
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sz = sizeof(buffers); |
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* but bufspace is internal to vfs_bio.c and we don't feel |
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error = kernel_sysctlbyname(curthread, "vfs.bufspace", &buffers, &sz, |
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* like unstaticizing it just for linprocfs's sake. |
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NULL, 0, 0, 0); |
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*/ |
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if (error != 0) |
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buffers = 0; |
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buffers = 0; |
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cached = vm_inactive_count() * PAGE_SIZE; |
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sbuf_printf(sb, |
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sbuf_printf(sb, |
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"MemTotal: %9lu kB\n" |
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"MemTotal: %9lu kB\n" |