Re: mmap in php_passthru_fd in file.c ?
| From: | Sascha Schumann | Date: | Fri, 18 May 2001 19:34:54 +0000 |
| Subject: | Re: mmap in php_passthru_fd in file.c ? | ||
| References: | 1 | Groups: | php.dev |
| Request: | Send a blank email to php-dev+get-55824@lists.php.net to get a copy of this message | ||
> *2 Some Linux 2.4.x trees seem to be broken in that respect and
> don't free pages quickly enough (or not at all). This
> causes the system to freeze. Linux 2.2 works as expected.
> I experienced this effect on 2.4.4-ac1 (TUX patch).
As an addition to this, page aging works again in -ac10.
Furthermore, here are some references for interested parties.
McKusick et al, The Design and Implementation of the 4.4BSD
Operating System, 5.4 Per-Process Resources, 5.12 Page
Replacement
Mauro et al, Solaris Internals, 5.3.8 Page Faults in Address
Spaces, 5.4.1 The vnode Segment: seg_vn, 5.8 The Page Scanner
- Sascha Experience IRCG
http://schumann.cx/ http://schumann.cx/ircg