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Update comment for vm_page_alloc(9), listing all acceptable flags [1].

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Note that the function does not sleep, it can block.

Submitted by:	Giovanni Trematerra <giovanni.trematerra gmail com> [1]
MFC after:	3 days
This commit is contained in:
Konstantin Belousov 2010-02-27 17:09:28 +00:00
parent 00305546f3
commit ddb16cfc32
1 changed files with 6 additions and 1 deletions
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7
sys/vm/vm_page.c
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@ -1020,8 +1020,13 @@ vm_page_cache_transfer(vm_object_t orig_object, vm_pindex_t offidxstart,
* VM_ALLOC_SYSTEM system *really* needs a page
* VM_ALLOC_INTERRUPT interrupt time request
* VM_ALLOC_ZERO zero page
* VM_ALLOC_WIRED wire the allocated page
* VM_ALLOC_NOOBJ page is not associated with a vm object
* VM_ALLOC_NOBUSY do not set the page busy
* VM_ALLOC_IFNOTCACHED return NULL, do not reactivate if the page
* is cached
*
* This routine may not block.
* This routine may not sleep.
*/
vm_page_t
vm_page_alloc(vm_object_t object, vm_pindex_t pindex, int req)