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authorRavikiran G Thirumalai <kiran@scalex86.org>2009-03-31 15:21:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-01 08:59:12 -0700
commit2584e517320bd48dc8d20e38a2621a2dbe58fade (patch)
tree3b94b6c4cc10ab16ab106464e8d32e2e77ad8634 /Documentation/feature-removal-schedule.txt
parent8a0bdec194c21c8fdef840989d0d7b742bb5d4bc (diff)
mm: reintroduce and deprecate rlimit based access for SHM_HUGETLB
Allow non root users with sufficient mlock rlimits to be able to allocate hugetlb backed shm for now. Deprecate this though. This is being deprecated because the mlock based rlimit checks for SHM_HUGETLB is not consistent with mmap based huge page allocations. Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org> Reviewed-by: Mel Gorman <mel@csn.ul.ie> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: Adam Litke <agl@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/feature-removal-schedule.txt')
-rw-r--r--Documentation/feature-removal-schedule.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 5e02b83ac12b..ea7d1bdad34d 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -311,6 +311,18 @@ Who: Vlad Yasevich <vladislav.yasevich@hp.com>
---------------------------
+What: Ability for non root users to shm_get hugetlb pages based on mlock
+ resource limits
+When: 2.6.31
+Why: Non root users need to be part of /proc/sys/vm/hugetlb_shm_group or
+ have CAP_IPC_LOCK to be able to allocate shm segments backed by
+ huge pages. The mlock based rlimit check to allow shm hugetlb is
+ inconsistent with mmap based allocations. Hence it is being
+ deprecated.
+Who: Ravikiran Thirumalai <kiran@scalex86.org>
+
+---------------------------
+
What: CONFIG_THERMAL_HWMON
When: January 2009
Why: This option was introduced just to allow older lm-sensors userspace