[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [RFC PATCH V2 1/4] xen/hap: Increase hap page pool size for more vcpus support
This patch is to increase hap page pool size to support more vcpus in single VM. Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx> --- xen/arch/x86/mm/hap/hap.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/mm/hap/hap.c b/xen/arch/x86/mm/hap/hap.c index cdc77a9..96a7ed0 100644 --- a/xen/arch/x86/mm/hap/hap.c +++ b/xen/arch/x86/mm/hap/hap.c @@ -464,6 +464,7 @@ void hap_domain_init(struct domain *d) int hap_enable(struct domain *d, u32 mode) { unsigned int old_pages; + unsigned int pages; unsigned int i; int rv = 0; @@ -473,7 +474,14 @@ int hap_enable(struct domain *d, u32 mode) if ( old_pages == 0 ) { paging_lock(d); - rv = hap_set_allocation(d, 256, NULL); + + /* Increase hap page pool with max vcpu number. */ + if ( d->max_vcpus > 128 ) + pages = 256; + else + pages = 512; + + rv = hap_set_allocation(d, pages, NULL); if ( rv != 0 ) { hap_set_allocation(d, 0, NULL); -- 1.8.3.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |