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freebsd-dev/sys/vm
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Matthew Dillon 2f9e4e8025 Limit the amount of KVM reserved for the buffer cache and for swap-meta 
information.  The default limits only effect machines with > 1GB of ram
and can be overriden with two new kernel conf variables VM_SWZONE_SIZE_MAX
and VM_BCACHE_SIZE_MAX, or with loader variables kern.maxswzone and
kern.maxbcache.  This has the effect of leaving more KVM available for
sizing NMBCLUSTERS and 'maxusers' and should avoid tripups where a sysad
adds memory to a machine and then sees the kernel panic on boot due to
running out of KVM.

Also change the default swap-meta auto-sizing calculation to allocate half
of what it was previously allocating.  The prior defaults were way too high.
Note that we cannot afford to run out of swap-meta structures so we still
stay somewhat conservative here.
2001-08-20 00:41:12 +00:00
..
default_pager.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
device_pager.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
phys_pager.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
pmap.h Unrevert the pmap_map() changes. They weren't broken on x86. 2001-03-07 05:29:21 +00:00
swap_pager.c Limit the amount of KVM reserved for the buffer cache and for swap-meta 2001-08-20 00:41:12 +00:00
swap_pager.h - If swap metadata does not fit into the KVM, reduce the number of 2000-12-13 10:01:00 +00:00
vm_contig.c Reorg vm_page.c into vm_page.c, vm_pageq.c, and vm_contig.c (for contigmalloc). 2001-07-04 23:27:09 +00:00
vm_extern.h Remove unused 3rd argument from vsunlock() which abused B_WRITE. 2000-03-13 10:47:24 +00:00
vm_fault.c Reorg vm_page.c into vm_page.c, vm_pageq.c, and vm_contig.c (for contigmalloc). 2001-07-04 23:27:09 +00:00
vm_glue.c whitespace / register cleanup 2001-07-04 19:00:13 +00:00
vm_init.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
vm_kern.c - Remove asleep(), await(), and M_ASLEEP. 2001-08-10 06:56:12 +00:00
vm_kern.h Introduce numerous SMP friendly changes to the mbuf allocator. Namely, 2001-06-22 06:35:32 +00:00
vm_map.c Change inlines back into mainline code in preparation for mutexing. Also, 2001-07-04 20:15:18 +00:00
vm_map.h Change inlines back into mainline code in preparation for mutexing. Also, 2001-07-04 20:15:18 +00:00
vm_meter.c whitespace / register cleanup 2001-07-04 19:00:13 +00:00
vm_mmap.c whitespace / register cleanup 2001-07-04 19:00:13 +00:00
vm_object.c Remove the use of atomic ops to manipulate vm_object and vm_page flags. 2001-07-31 04:03:53 +00:00
vm_object.h Oops. Last commit to vm_object.c should have got these files too. 2001-07-31 04:09:52 +00:00
vm_page.c - Remove asleep(), await(), and M_ASLEEP. 2001-08-10 06:37:05 +00:00
vm_page.h Oops. Last commit to vm_object.c should have got these files too. 2001-07-31 04:09:52 +00:00
vm_pageout.c Reorg vm_page.c into vm_page.c, vm_pageq.c, and vm_contig.c (for contigmalloc). 2001-07-04 23:27:09 +00:00
vm_pageout.h - Remove asleep(), await(), and M_ASLEEP. 2001-08-10 06:37:05 +00:00
vm_pageq.c Reorg vm_page.c into vm_page.c, vm_pageq.c, and vm_contig.c (for contigmalloc). 2001-07-04 23:27:09 +00:00
vm_pager.c Whitespace fixes. 2001-08-04 20:49:29 +00:00
vm_pager.h With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
vm_param.h Change the way information about swap devices is exported to be more 2001-06-01 22:53:10 +00:00
vm_swap.c Permit direct swapping to NFS regular files using swapon(2). We 2001-07-28 20:18:38 +00:00
vm_unix.c whitespace / register cleanup 2001-07-04 19:00:13 +00:00
vm_zeroidle.c The i386-specific includes in this file were "fixed" by bracketing them with 2001-07-15 04:11:51 +00:00
vm_zone.c Add a missing semicolon to unbreak the kernel build with INVARIANTS 2001-08-05 03:55:02 +00:00
vm_zone.h Add a zdestroy() function to the zone allocator. This is needed for the 2001-08-04 20:17:05 +00:00
vm.h With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
vnode_pager.c Whitespace fixes. 2001-08-04 20:49:29 +00:00
vnode_pager.h vnode_pager_freepage() is really vm_page_free() in disguise, 2001-04-19 06:18:23 +00:00