[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 08 of 20] xenpaging: track the number of paged-out pages
# HG changeset patch # User Olaf Hering <olaf@xxxxxxxxx> # Date 1321804958 -3600 # Node ID 927af61e2c89bf70c3e873140750aa897fb575e9 # Parent 98c0a058f05634833ccb9fb6671ee94cde444fa1 xenpaging: track the number of paged-out pages This change is required by subsequent changes. Signed-off-by: Olaf Hering <olaf@xxxxxxxxx> diff -r 98c0a058f056 -r 927af61e2c89 tools/xenpaging/xenpaging.c --- a/tools/xenpaging/xenpaging.c +++ b/tools/xenpaging/xenpaging.c @@ -467,6 +467,9 @@ static int xenpaging_evict_page(xenpagin /* Notify policy of page being paged out */ policy_notify_paged_out(victim->gfn); + /* Record number of evicted pages */ + paging->num_paged_out++; + out: return ret; } @@ -480,8 +483,13 @@ static int xenpaging_resume_page(xenpagi /* Notify policy of page being paged in */ if ( notify_policy ) + { policy_notify_paged_in(rsp->gfn); + /* Record number of resumed pages */ + paging->num_paged_out--; + } + /* Tell Xen page is ready */ ret = xc_mem_paging_resume(paging->xc_handle, paging->mem_event.domain_id, rsp->gfn); diff -r 98c0a058f056 -r 927af61e2c89 tools/xenpaging/xenpaging.h --- a/tools/xenpaging/xenpaging.h +++ b/tools/xenpaging/xenpaging.h @@ -49,6 +49,7 @@ typedef struct xenpaging { mem_event_t mem_event; /* number of pages for which data structures were allocated */ int max_pages; + int num_paged_out; int num_pages; int policy_mru_size; unsigned long pagein_queue[XENPAGING_PAGEIN_QUEUE_SIZE]; _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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