On 11/27/2018 01:40 PM, Peter Xu wrote:
On Thu, Nov 15, 2018 at 06:07:59PM +0800, Wei Wang wrote:
The bitmap mutex is used to synchronize threads to update the dirty
bitmap and the migration_dirty_pages counter. For example, the free
page optimization clears bits of free pages from the bitmap
On Thu, Nov 15, 2018 at 06:07:59PM +0800, Wei Wang wrote:
> The bitmap mutex is used to synchronize threads to update the dirty
> bitmap and the migration_dirty_pages counter. For example, the free
> page optimization clears bits of free pages from the bitmap in an
> iothread context. This patch
The bitmap mutex is used to synchronize threads to update the dirty
bitmap and the migration_dirty_pages counter. For example, the free
page optimization clears bits of free pages from the bitmap in an
iothread context. This patch makes migration_bitmap_clear_dirty update
the bitmap and counter
