On Mon, May 24, 2010 at 04:05:29PM +0900, Takuya Yoshikawa wrote:
(2010/05/17 18:06), Takuya Yoshikawa wrote:
User allocated bitmaps have the advantage of reducing pinned memory.
However we have plenty more pinned memory allocated in memory slots, so
by itself, user allocated bitmaps don't
(2010/06/01 19:55), Marcelo Tosatti wrote:
Sorry but I have to say that mmu_lock spin_lock problem was completely
out of
my mind. Although I looked through the code, it seems not easy to move the
set_bit_user to outside of spinlock section without breaking the
semantics of
its protection.
So
On Tue, Jun 01, 2010 at 09:05:38PM +0900, Takuya Yoshikawa wrote:
(2010/06/01 19:55), Marcelo Tosatti wrote:
Sorry but I have to say that mmu_lock spin_lock problem was completely
out of
my mind. Although I looked through the code, it seems not easy to move the
set_bit_user to outside of
(2010/05/17 18:06), Takuya Yoshikawa wrote:
User allocated bitmaps have the advantage of reducing pinned memory.
However we have plenty more pinned memory allocated in memory slots, so
by itself, user allocated bitmaps don't justify this change.
Sorry for pinging several times.
In that
