d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Provide settings for superpage reservation system on ARM.

Browse Source 
This allows for enabling and configuring superpages reservation mechanism in
order to allocate and populate 256 4KB base pages (for the purpose of
promotion to a 1MB superpage).

Submitted by:	Zbigniew Bodek <zbb@semihalf.com>
Reviewed by:	alc
Sponsored by:	The FreeBSD Foundation, Semihalf
This commit is contained in:
Rafal Jaworowski 2013-08-26 16:23:54 +00:00
parent 026bf0a293
commit 995c2b63f7
1 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
sys/arm/include/vmparam.h
View File

@ -109,10 +109,17 @@
#define VM_NFREEORDER 9
/*
* Disable superpage reservations.
* Enable superpage reservations: 1 level.
*/
#ifndef VM_NRESERVLEVEL
#define VM_NRESERVLEVEL 0
#define VM_NRESERVLEVEL 1
#endif
/*
* Level 0 reservations consist of 256 pages.
*/
#ifndef VM_LEVEL_0_ORDER
#define VM_LEVEL_0_ORDER 8
#endif
#define UPT_MAX_ADDRESS VADDR(UPTPTDI + 3, 0)