Dave Hansen wrote:
> On 06/07/2013 08:10 AM, Kirill A. Shutemov wrote:
> > + /*
> > +* When we add a huge page to page cache we take only reference to head
> > +* page, but on split we need to take addition reference to all tail
> > +* pages since they are still in page cache after
On 06/07/2013 08:10 AM, Kirill A. Shutemov wrote:
> + /*
> + * When we add a huge page to page cache we take only reference to head
> + * page, but on split we need to take addition reference to all tail
> + * pages since they are still in page cache after splitting.
> + */
On 06/07/2013 08:10 AM, Kirill A. Shutemov wrote:
+ /*
+ * When we add a huge page to page cache we take only reference to head
+ * page, but on split we need to take addition reference to all tail
+ * pages since they are still in page cache after splitting.
+ */
+
Dave Hansen wrote:
On 06/07/2013 08:10 AM, Kirill A. Shutemov wrote:
+ /*
+* When we add a huge page to page cache we take only reference to head
+* page, but on split we need to take addition reference to all tail
+* pages since they are still in page cache after splitting.
Kirill A. Shutemov wrote:
> Dave Hansen wrote:
> > Which reminds me... Why do we handle their reference counts differently? :)
> >
> > It seems like we could easily put a for loop in delete_from_page_cache()
> > that will release their reference counts along with the head page.
> > Wouldn't that
Kirill A. Shutemov wrote:
Dave Hansen wrote:
Which reminds me... Why do we handle their reference counts differently? :)
It seems like we could easily put a for loop in delete_from_page_cache()
that will release their reference counts along with the head page.
Wouldn't that make the
Dave Hansen wrote:
> On 05/11/2013 06:23 PM, Kirill A. Shutemov wrote:
> > From: "Kirill A. Shutemov"
> >
> > As with add_to_page_cache_locked() we handle HPAGE_CACHE_NR pages a
> > time.
> >
> > Signed-off-by: Kirill A. Shutemov
> > ---
> > mm/filemap.c | 31 +--
Dave Hansen wrote:
On 05/11/2013 06:23 PM, Kirill A. Shutemov wrote:
From: Kirill A. Shutemov kirill.shute...@linux.intel.com
As with add_to_page_cache_locked() we handle HPAGE_CACHE_NR pages a
time.
Signed-off-by: Kirill A. Shutemov kirill.shute...@linux.intel.com
---
On 05/11/2013 06:23 PM, Kirill A. Shutemov wrote:
> From: "Kirill A. Shutemov"
>
> As with add_to_page_cache_locked() we handle HPAGE_CACHE_NR pages a
> time.
>
> Signed-off-by: Kirill A. Shutemov
> ---
> mm/filemap.c | 31 +--
> 1 file changed, 25 insertions(+),
On 05/11/2013 06:23 PM, Kirill A. Shutemov wrote:
From: Kirill A. Shutemov kirill.shute...@linux.intel.com
As with add_to_page_cache_locked() we handle HPAGE_CACHE_NR pages a
time.
Signed-off-by: Kirill A. Shutemov kirill.shute...@linux.intel.com
---
mm/filemap.c | 31
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