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08af0c8b8d
freebsd-skq/sys/vm
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Alan Cox 6bbee8e28a Add a new option, OBJPR_NOTMAPPED, to vm_object_page_remove(). Passing this 
option to vm_object_page_remove() asserts that the specified range of pages
is not mapped, or more precisely that none of these pages have any managed
mappings.  Thus, vm_object_page_remove() need not call pmap_remove_all() on
the pages.

This change not only saves time by eliminating pointless calls to
pmap_remove_all(), but it also eliminates an inconsistency in the use of
pmap_remove_all() versus related functions, like pmap_remove_write().  It
eliminates harmless but pointless calls to pmap_remove_all() that were being
performed on PG_UNMANAGED pages.

Update all of the existing assertions on pmap_remove_all() to reflect this
change.

Reviewed by:	kib
2011-06-29 16:40:41 +00:00
..
default_pager.c Replace pointer to "struct uidinfo" with pointer to "struct ucred" 2010-12-02 17:37:16 +00:00
device_pager.c Eliminate duplication of the fake page code and zone by the device and sg 2011-03-11 07:07:48 +00:00
memguard.c Change memguard_fudge() so that it can handle km_max being zero. Not 2010-12-14 05:47:35 +00:00
memguard.h The realloc case for memguard(9) will copy too many bytes when 2010-08-31 16:57:58 +00:00
phys_pager.c Remove unneeded includes of <sys/linker_set.h>. Other headers that use 2011-01-11 13:59:06 +00:00
pmap.h Sort function prototypes. 2011-01-16 20:40:50 +00:00
redzone.c Fix REDZONE(9) on amd64 and perhaps other 64 bit targets -- ensure the space 2008-08-13 17:32:48 +00:00
redzone.h Add buffer corruption protection (RedZone) for kernel's malloc(9). 2006-01-31 11:09:21 +00:00
sg_pager.c Eliminate duplication of the fake page code and zone by the device and sg 2011-03-11 07:07:48 +00:00
swap_pager.c Reap old SPL comments. 2011-04-26 22:18:53 +00:00
swap_pager.h - Move 'struct swdevt' back into swap_pager.h and expose it to userland. 2007-02-07 17:43:11 +00:00
uma_core.c Correct an error in r222163. Unless UMA_MD_SMALL_ALLOC is defined, 2011-05-22 17:46:16 +00:00
uma_dbg.c - Make the keg abstraction more complete. Permit a zone to have multiple 2009-01-25 09:11:24 +00:00
uma_dbg.h Improve canonicalization of copyrights. Order copyrights by order of 2005-07-16 09:51:52 +00:00
uma_int.h 1. Prior to r214782, UMA did not support multipage allocations before 2011-05-21 17:43:43 +00:00
uma.h Change uma_zone_set_max to return the effective value of "nitems" after 2010-10-16 04:41:45 +00:00
vm_contig.c Remove unneeded includes of <sys/linker_set.h>. Other headers that use 2011-01-11 13:59:06 +00:00
vm_extern.h Move vm_object_print()'s prototype to the expected place. 2010-12-27 07:12:22 +00:00
vm_fault.c Revert to using the page queues lock in vm_page_clear_dirty_mask() on 2011-06-23 05:23:59 +00:00
vm_glue.c Fix several places to ignore processes that are not yet fully constructed. 2011-04-06 17:47:22 +00:00
vm_init.c Introduce exec_alloc_args(). The objective being to encapsulate the 2010-07-27 17:31:03 +00:00
vm_kern.c Move the ZERO_REGION_SIZE to a machine-dependent file, as on many 2011-05-13 19:35:01 +00:00
vm_kern.h Enable the creation of a kmem map larger than 4GB. 2008-07-05 19:34:33 +00:00
vm_map.c Add a new option, OBJPR_NOTMAPPED, to vm_object_page_remove(). Passing this 2011-06-29 16:40:41 +00:00
vm_map.h - Merge changes to the base system to support OFED. These include 2011-03-21 09:40:01 +00:00
vm_meter.c Fix some locking nits with the p_state field of struct proc: 2011-03-24 18:40:11 +00:00
vm_mmap.c Add accounting for most of the memory-related resources. 2011-04-05 20:23:59 +00:00
vm_object.c Add a new option, OBJPR_NOTMAPPED, to vm_object_page_remove(). Passing this 2011-06-29 16:40:41 +00:00
vm_object.h Add a new option, OBJPR_NOTMAPPED, to vm_object_page_remove(). Passing this 2011-06-29 16:40:41 +00:00
vm_page.c Revert to using the page queues lock in vm_page_clear_dirty_mask() on 2011-06-23 05:23:59 +00:00
vm_page.h Precisely document the synchronization rules for the page's dirty field. 2011-06-19 19:13:24 +00:00
vm_pageout.c In vm_daemon(), do not skip processes stopped with SIGSTOP. 2011-04-06 16:27:04 +00:00
vm_pageout.h vm_pageout_flush() might cache the pages that finished write to the 2010-11-18 21:09:02 +00:00
vm_pager.c Move the definition of M_VMPGDATA to the swap pager, where the only 2011-01-18 04:54:43 +00:00
vm_pager.h Move the definition of M_VMPGDATA to the swap pager, where the only 2011-01-18 04:54:43 +00:00
vm_param.h On Alan's advice, rather than do a wholesale conversion on a single 2010-04-30 00:46:43 +00:00
vm_phys.c Explicitly wire the user buffer rather than doing it implicitly in 2011-01-27 00:34:12 +00:00
vm_phys.h Very rough first cut at NUMA support for the physical page allocator. For 2010-07-27 20:33:50 +00:00
vm_reserv.c Explicitly wire the user buffer rather than doing it implicitly in 2011-01-27 00:34:12 +00:00
vm_reserv.h Introduce vm_reserv_reclaim_contig(). This function is used by 2008-04-06 18:09:28 +00:00
vm_unix.c Add accounting for most of the memory-related resources. 2011-04-05 20:23:59 +00:00
vm_zeroidle.c Split P_NOLOAD into a per-thread flag (TDF_NOLOAD). 2009-11-03 16:46:52 +00:00
vm.h Replace pointer to "struct uidinfo" with pointer to "struct ucred" 2010-12-02 17:37:16 +00:00
vnode_pager.c Add a new option, OBJPR_NOTMAPPED, to vm_object_page_remove(). Passing this 2011-06-29 16:40:41 +00:00
vnode_pager.h In the VOP_PUTPAGES() implementations, change the default error from 2011-06-01 21:00:28 +00:00