[virtio-dev] [PATCH v14 5/5] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

Add a new vq to report hints of guest free pages to the host. Signed-off-by: Wei Wang Signed-off-by: Liang Li --- drivers/virtio/virtio_balloon.c | 167 +++- include/uapi/linux/virtio_balloon.h | 1 + 2 files

[virtio-dev] [PATCH v14 4/5] mm: support reporting free page blocks

This patch adds support to walk through the free page blocks in the system and report them via a callback function. Some page blocks may leave the free list after zone->lock is released, so it is the caller's responsibility to either detect or prevent the use of such pages. Signed-off-by: Wei

[virtio-dev] [PATCH v14 0/5] Virtio-balloon Enhancement

This patch series enhances the existing virtio-balloon with the following new features: 1) fast ballooning: transfer ballooned pages between the guest and host in chunks using sgs, instead of one by one; and 2) free_page_vq: a new virtqueue to report guest free pages to the host. The second

[virtio-dev] [PATCH v14 2/5] lib/xbitmap: add xb_find_next_bit() and xb_zero()

xb_find_next_bit() is used to find the next "1" or "0" bit in the given range. xb_zero() is used to zero the given range of bits. Signed-off-by: Wei Wang Cc: Andrew Morton Cc: Matthew Wilcox Cc: Michal Hocko

[virtio-dev] [PATCH v14 1/5] lib/xbitmap: Introduce xbitmap

From: Matthew Wilcox The eXtensible Bitmap is a sparse bitmap representation which is efficient for set bits which tend to cluster. It supports up to 'unsigned long' worth of bits, and this commit adds the bare bones -- xb_set_bit(), xb_clear_bit() and xb_test_bit().

Re: [virtio-dev] [PATCH v13 0/5] Virtio-balloon Enhancement

On 08/16/2017 01:57 PM, Adam Tao wrote: On Thu, Aug 03, 2017 at 02:38:14PM +0800, Wei Wang wrote: This patch series enhances the existing virtio-balloon with the following new features: 1) fast ballooning: transfer ballooned pages between the guest and host in chunks using sgs, instead of one

Re: [virtio-dev] [PATCH v13 0/5] Virtio-balloon Enhancement

On Thu, Aug 03, 2017 at 02:38:14PM +0800, Wei Wang wrote: > This patch series enhances the existing virtio-balloon with the following > new features: > 1) fast ballooning: transfer ballooned pages between the guest and host in > chunks using sgs, instead of one by one; and > 2) free_page_vq: a new