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freebsd-dev/sys/vm
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Konstantin Belousov eac91e326a Reduce the amount of calls to VOP_BMAP() made from the local vnode 
pager.  It is enough to execute VOP_BMAP() once to obtain both the
disk block address for the requested page, and the before/after limits
for the contiguous run.  The clipping of the vm_page_t array passed to
the vnode_pager_generic_getpages() and the disk address for the first
page in the clipped array can be deduced from the call results.

While there, remove some noise (like if (1) {...}) and adjust nearby
code.

Reviewed by:	alc
Discussed with:	glebius
Tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	3 weeks
2015-10-24 21:59:22 +00:00
..
_vm_radix.h On all the architectures, avoid to preallocate the physical memory 2013-08-09 11:28:55 +00:00
default_pager.c Place VM objects on the object list when created and never remove them. 2015-05-08 19:43:37 +00:00
device_pager.c Place VM objects on the object list when created and never remove them. 2015-05-08 19:43:37 +00:00
memguard.c Add comments about CTLFLAG_RDTUN vs. TUNABLE_INT_FETCH. 2015-03-26 05:20:18 +00:00
memguard.h Replace kernel virtual address space allocation with vmem. This provides 2013-08-07 06:21:20 +00:00
phys_pager.c Place VM objects on the object list when created and never remove them. 2015-05-08 19:43:37 +00:00
pmap.h Properly sort the function declarations added in r286296 2015-08-05 10:48:32 +00:00
redzone.c Pull in r267961 and r267973 again. Fix for issues reported will follow. 2014-06-28 03:56:17 +00:00
redzone.h
sg_pager.c Place VM objects on the object list when created and never remove them. 2015-05-08 19:43:37 +00:00
swap_pager.c Mark swap_pager_putpages static at its definition. It was already 2015-10-05 21:29:17 +00:00
swap_pager.h Do not map the swap i/o pbufs if the geom provider for the swap 2013-03-19 14:39:27 +00:00
uma_core.c Exploit r288122 to address a cosmetic issue. Since the pages allocated 2015-09-26 17:45:10 +00:00
uma_dbg.c If INVARIANTS is specified, add ctor/dtor to junk memory if they are 2015-06-25 20:44:46 +00:00
uma_dbg.h
uma_int.h Revert r281451. It causes a panic/hang early in boot for a number of 2015-04-24 17:03:53 +00:00
uma.h The vmem callback to reclaim kmem arena address space on low or 2015-05-09 20:08:36 +00:00
vm_domain.c Add an initial NUMA affinity/policy configuration for threads and processes. 2015-07-11 15:21:37 +00:00
vm_domain.h Add an initial NUMA affinity/policy configuration for threads and processes. 2015-07-11 15:21:37 +00:00
vm_extern.h Add a new file operations hook for mmap operations. File type-specific 2015-06-04 19:41:15 +00:00
vm_fault.c Refinements to r281079's sequential access optimization: Prefetched pages, 2015-08-03 20:30:27 +00:00
vm_glue.c Exploit r288122 to avoid pointlessly enqueueing a page that is about to be 2015-10-09 03:38:58 +00:00
vm_init.c Parallelize the buffer cache and rewrite getnewbuf(). This results in a 2015-10-14 02:10:07 +00:00
vm_kern.c Exploit r288122 to address a cosmetic issue. Pages belonging to either 2015-10-06 05:49:00 +00:00
vm_kern.h - Add a statically allocated memguard arena since it is needed very early 2013-08-13 22:40:43 +00:00
vm_map.c Remove a check which caused spurious SIGSEGV on usermode access to the 2015-09-09 06:19:33 +00:00
vm_map.h Do not pretend that vm_fault(9) supports unwiring the address. Rename 2015-07-30 18:28:34 +00:00
vm_meter.c Remove the v_cache_min and v_cache_max sysctls. They are unused and have 2015-09-11 03:00:20 +00:00
vm_mmap.c Add a local variable initialization needed in the OBJT_DEFAULT case. 2015-07-05 22:26:19 +00:00
vm_object.c As a step towards the elimination of PG_CACHED pages, rework the handling 2015-09-30 23:06:29 +00:00
vm_object.h As a step towards the elimination of PG_CACHED pages, rework the handling 2015-09-30 23:06:29 +00:00
vm_page.c Reduce the scope of a variable to the only file where it is used. 2015-10-03 19:27:52 +00:00
vm_page.h Fix capitalization 2015-10-23 12:06:06 +00:00
vm_pageout.c Only marker is guaranteed to be present on the queue after the relock 2015-10-18 09:33:28 +00:00
vm_pageout.h Reduce the scope of a variable to the only file where it is used. 2015-10-03 19:27:52 +00:00
vm_pager.c - Make 'struct buf *buf' private to vfs_bio.c. Having a global variable 2015-07-29 02:26:57 +00:00
vm_pager.h o Un-inline vm_pager_get_pages(), vm_pager_get_pages_async(). 2015-06-17 22:44:27 +00:00
vm_param.h Remove the v_cache_min and v_cache_max sysctls. They are unused and have 2015-09-11 03:00:20 +00:00
vm_phys.c Add an initial NUMA affinity/policy configuration for threads and processes. 2015-07-11 15:21:37 +00:00
vm_phys.h Add an initial NUMA affinity/policy configuration for threads and processes. 2015-07-11 15:21:37 +00:00
vm_radix.c Pull in r267961 and r267973 again. Fix for issues reported will follow. 2014-06-28 03:56:17 +00:00
vm_radix.h Eliminate a redundant parameter to vm_radix_replace(). 2013-12-08 20:07:02 +00:00
vm_reserv.c Introduce a sysctl for reporting the number of fully populated reservations. 2015-08-06 21:27:50 +00:00
vm_reserv.h Refactor vm_page_alloc()'s interactions with vm_reserv_alloc_page() and 2013-05-12 16:50:18 +00:00
vm_unix.c Implement lockless resource limits. 2015-06-10 10:48:12 +00:00
vm_zeroidle.c Pull in r267961 and r267973 again. Fix for issues reported will follow. 2014-06-28 03:56:17 +00:00
vm.h rename scheduler->swapper and SI_SUB_RUN_SCHEDULER->SI_SUB_LAST 2013-07-24 09:45:31 +00:00
vnode_pager.c Reduce the amount of calls to VOP_BMAP() made from the local vnode 2015-10-24 21:59:22 +00:00
vnode_pager.h Merge from projects/sendfile: 2014-11-23 12:01:52 +00:00