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35 .Nd "add/remove page from an object"
41 .Fn vm_page_insert "vm_page_t m" "vm_object_t object" "vm_pindex_t pindex"
43 .Fn vm_page_remove "vm_page_t m"
47 function adds a page to the given object at the given index.
48 The page is added to both the VM page hash table and to the
49 object's list of pages, but the hardware page tables are not updated.
50 In the case of a user page, it will be faulted in when it is
52 If the page is a kernel page, the caller is expected to
53 handle adding the page to the kernel's pmap.
57 is set in the page's flags,
61 are set in the object's flags.
65 function removes the given page from its object, and from the
67 The page must be busy prior to this call, or the system will panic.
68 The pmap entry for the page is not removed by this function.
73 .Bl -tag -width ".Fa object"
75 The page to add to the object.
77 The object the page should be added to.
79 The index into the object the page should be at.
85 .Bl -tag -width ".Fa m"
89 .Sh IMPLEMENTATION NOTES
90 The index of a page in a VM object is the byte index into the
91 same object truncated to a page boundary.
92 For example, if the page size is 4096 bytes, and the address
93 in the object is 81944, the page index is 20.
95 This manual page was written by
96 .An Chad David Aq davidc@acns.ab.ca .