| From: | Julien Rouhaud <rjuju123(at)gmail(dot)com> |
|---|---|
| To: | Michael Paquier <michael(at)paquier(dot)xyz> |
| Cc: | okano(dot)naoki(at)jp(dot)fujitsu(dot)com, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #17448: In Windows 10, version 1703 and later, huge_pages doesn't work. |
| Date: | 2022-03-26 08:24:08 |
| Message-ID: | 20220326082408.moh55zuecxjmewnm@jrouhaud |
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| Thread: | |
| Lists: | pgsql-bugs pgsql-hackers |
On Sat, Mar 26, 2022 at 02:46:45PM +0900, Michael Paquier wrote:
> On Fri, Mar 25, 2022 at 07:52:57AM +0000, PG Bug reporting form wrote:
> > On this page (*) says that in Windows 10, version 1703 and later OS
> > versions,
> > you must specify the FILE_MAP_LARGE_PAGES flag with the MapViewOfFile
> > function
> > to map large pages.
> >
> > I think it seems to be the cause that MapViewOfFile() in
> > src/backend/port/win32_shmem.c
> > does not specify FILE_MAP_LARGE_PAGES flag.
>
> I don't have a Windows 10 machine as recent as that at hand, though..
I have a Windows 10 apparently version 20H2 (the versioning doesn't make any
sense) with all needed to compile postgres at hand. I can have a look next
week.
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