Revision 0531b2aac59c2296570ac52bfc032ef2ace7d5e1 authored by Linus Torvalds on 27 January 2010, 17:20:03 UTC, committed by Linus Torvalds on 27 January 2010, 17:20:03 UTC
It's a simplified 'read_cache_page()' which takes a page allocation
flag, so that different paths can control how aggressive the memory
allocations are that populate a address space.

In particular, the intel GPU object mapping code wants to be able to do
a certain amount of own internal memory management by automatically
shrinking the address space when memory starts getting tight.  This
allows it to dynamically use different memory allocation policies on a
per-allocation basis, rather than depend on the (static) address space
gfp policy.

The actual new function is a one-liner, but re-organizing the helper
functions to the point where you can do this with a single line of code
is what most of the patch is all about.

Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent caf0801
History
File Mode Size
integrity
keys
selinux
smack
tomoyo
Kconfig -rw-r--r-- 6.2 KB
Makefile -rw-r--r-- 835 bytes
capability.c -rw-r--r-- 24.5 KB
commoncap.c -rw-r--r-- 26.3 KB
device_cgroup.c -rw-r--r-- 11.7 KB
inode.c -rw-r--r-- 8.8 KB
lsm_audit.c -rw-r--r-- 8.7 KB
min_addr.c -rw-r--r-- 1.3 KB
security.c -rw-r--r-- 33.5 KB

back to top