[Bug 223831] [patch] swap_pager.c to release multiple swap blocks at a time

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Dec 7 03:47:43 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223831

ota at j.email.ne.jp changed:

           What    |Removed                     |Added
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 Attachment #188460|0                           |1
        is obsolete|                            |

--- Comment #4 from ota at j.email.ne.jp ---
Created attachment 188607
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=188607&action=edit
swapoff to release multiple blocks at a time for 11-stable

Initialize offset.
Split vm operations into functions.

It looks I need to call vm_page_grab and cannot use rbehind to call 
swap_pager_getpages().
vm_page_alloc() is called by swap_pager_getpages() but I got a crash.

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