On Mon, Sep 21, 2020 at 11:42:29AM -0700, Minchan Kim wrote:
> It seems zsmalloc is only customer the function so let's have the helper
> when we see another customer.
>
> If we don't have objection, I'd like to ask to Andrew fold this up.
Fine with me.
On Mon, Sep 21, 2020 at 08:17:08PM +0200, Christoph Hellwig wrote:
> On Mon, Sep 21, 2020 at 10:42:56AM -0700, Minchan Kim wrote:
> > IIRC, the problem was runtime pte popluating needs GFP_KERNEL but
> > zs_map_object API runs under non-preemtible section.
>
> Make sense.
>
> > > - area->vm = all
On Mon, Sep 21, 2020 at 10:42:56AM -0700, Minchan Kim wrote:
> IIRC, the problem was runtime pte popluating needs GFP_KERNEL but
> zs_map_object API runs under non-preemtible section.
Make sense.
> > - area->vm = alloc_vm_area(PAGE_SIZE * 2, NULL);
> > + area->vm = get_vm_area(PAGE_SIZE * 2,
On Fri, Sep 18, 2020 at 06:37:19PM +0200, Christoph Hellwig wrote:
> There is no obvious reason why zsmalloc needs to pre-fault the PTEs
> given that it later uses map_kernel_range to just like vmap().
IIRC, the problem was runtime pte popluating needs GFP_KERNEL but
zs_map_object API runs under n
There is no obvious reason why zsmalloc needs to pre-fault the PTEs
given that it later uses map_kernel_range to just like vmap().
Signed-off-by: Christoph Hellwig
---
mm/zsmalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index c36fdff9a3
