On Fri, May 16, 2014 at 10:38:00PM +0300, Kirill A. Shutemov wrote:
> On Fri, May 16, 2014 at 03:34:27PM +0900, Minchan Kim wrote:
> > > > +static inline unsigned long lazyfree_pmd_range(struct mmu_gather *tlb,
> > > > + struct vm_area_struct *vma, pud_t *pud,
> > > >
On Fri, May 16, 2014 at 10:38:00PM +0300, Kirill A. Shutemov wrote:
On Fri, May 16, 2014 at 03:34:27PM +0900, Minchan Kim wrote:
+static inline unsigned long lazyfree_pmd_range(struct mmu_gather *tlb,
+ struct vm_area_struct *vma, pud_t *pud,
+
On Fri, May 16, 2014 at 03:34:27PM +0900, Minchan Kim wrote:
> > > +static inline unsigned long lazyfree_pmd_range(struct mmu_gather *tlb,
> > > + struct vm_area_struct *vma, pud_t *pud,
> > > + unsigned long addr, unsigned long end)
> > > +{
> > > +
Hey, Hannes,
Please take a rest during holidays but really thanksful to you!
On Thu, May 15, 2014 at 11:46:58AM -0400, Johannes Weiner wrote:
> Hi Minchan,
>
> On Mon, May 12, 2014 at 10:26:28AM +0900, Minchan Kim wrote:
> > Linux doesn't have an ability to free pages lazy while other OS
> >
Hey, Hannes,
Please take a rest during holidays but really thanksful to you!
On Thu, May 15, 2014 at 11:46:58AM -0400, Johannes Weiner wrote:
Hi Minchan,
On Mon, May 12, 2014 at 10:26:28AM +0900, Minchan Kim wrote:
Linux doesn't have an ability to free pages lazy while other OS
already
On Fri, May 16, 2014 at 03:34:27PM +0900, Minchan Kim wrote:
+static inline unsigned long lazyfree_pmd_range(struct mmu_gather *tlb,
+ struct vm_area_struct *vma, pud_t *pud,
+ unsigned long addr, unsigned long end)
+{
+ pmd_t *pmd;
On 05/15/2014 11:46 AM, Johannes Weiner wrote:
diff --git a/include/linux/mm.h b/include/linux/mm.h
index bf9811e1321a..c69594c141a9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1082,6 +1082,8 @@ int zap_vma_ptes(struct vm_area_struct *vma, unsigned
long address,
Hi Minchan,
On Mon, May 12, 2014 at 10:26:28AM +0900, Minchan Kim wrote:
> Linux doesn't have an ability to free pages lazy while other OS
> already have been supported that named by madvise(MADV_FREE).
>
> The gain is clear that kernel can discard freed pages rather than
> swapping out or OOM
Hi Minchan,
On Mon, May 12, 2014 at 10:26:28AM +0900, Minchan Kim wrote:
Linux doesn't have an ability to free pages lazy while other OS
already have been supported that named by madvise(MADV_FREE).
The gain is clear that kernel can discard freed pages rather than
swapping out or OOM if
On 05/15/2014 11:46 AM, Johannes Weiner wrote:
diff --git a/include/linux/mm.h b/include/linux/mm.h
index bf9811e1321a..c69594c141a9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1082,6 +1082,8 @@ int zap_vma_ptes(struct vm_area_struct *vma, unsigned
long address,
Linux doesn't have an ability to free pages lazy while other OS
already have been supported that named by madvise(MADV_FREE).
The gain is clear that kernel can discard freed pages rather than
swapping out or OOM if memory pressure happens.
Without memory pressure, freed pages would be reused by
Linux doesn't have an ability to free pages lazy while other OS
already have been supported that named by madvise(MADV_FREE).
The gain is clear that kernel can discard freed pages rather than
swapping out or OOM if memory pressure happens.
Without memory pressure, freed pages would be reused by
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