ice drop in iTLB-load-misses, so it looks like your
> code is
> having the right effect.
>
> What about the call to filemap_nr_thps_dec() in unaccount_page_cache_page() -
> does
> that need an smp_mb() as well?
>
> -- Bill
>
> > On Apr 5, 2021, at 6:15 PM, Collin
v2 has been uploaded with performance testing results:
https://lore.kernel.org/patchwork/patch/1408266/
On Mon, Mar 22, 2021 at 2:59 PM Collin Fijalkovich
wrote:
>
> Transparent huge pages are supported for read-only non-shmem filesystems,
> but are only used for vmas with VM_
-compiler.so
FilePmdMapped: 2048 kB
Signed-off-by: Collin Fijalkovich
---
Changes v1 -> v2:
* commit message 'non-shmem filesystems' -> 'non-shmem files'
* Add performance testing data to commit message
fs/open.c | 13 +++--
mm/khugepaged.c | 16 +++-
2 files chang
if a file is repeatedly opened for write, as it will
need to refault each time.
- Collin
On Sun, Mar 28, 2021 at 9:45 AM Song Liu wrote:
>
>
>
> > On Mar 23, 2021, at 10:13 AM, Collin Fijalkovich
> > wrote:
> >
> > Question: when we use this on shared library,
with the necessary layout. The dynamic linker must
map these file's segments at a hugepage size aligned vma for the mapping to
be backed with THPs.
Signed-off-by: Collin Fijalkovich
---
fs/open.c | 13 +++--
mm/khugepaged.c | 16 +++-
2 files changed, 26 insertions(+), 3
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