The patch titled
mm: add __nocast attribute to vm_flags
has been added to the -mm tree. Its filename is
mm-add-__nocast-attribute-to-vm_flags.patch
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------------------------------------------------------
Subject: mm: add __nocast attribute to vm_flags
From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Now, We are converting vm_flags to 64bit. so nocast attribute help to
find hidden wrong vm_flags usage.
Suggested-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm_types.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN include/linux/mm_types.h~mm-add-__nocast-attribute-to-vm_flags include/linux/mm_types.h
--- a/include/linux/mm_types.h~mm-add-__nocast-attribute-to-vm_flags
+++ a/include/linux/mm_types.h
@@ -109,7 +109,7 @@ struct page {
*/
struct vm_region {
struct rb_node vm_rb; /* link in global region tree */
- unsigned long long vm_flags; /* VMA vm_flags */
+ unsigned long long __nocast vm_flags; /* VMA vm_flags */
unsigned long vm_start; /* start address of region */
unsigned long vm_end; /* region initialised to here */
unsigned long vm_top; /* region allocated to here */
@@ -137,7 +137,7 @@ struct vm_area_struct {
struct vm_area_struct *vm_next, *vm_prev;
pgprot_t vm_page_prot; /* Access permissions of this VMA. */
- unsigned long long vm_flags; /* Flags, see mm.h. */
+ unsigned long long __nocast vm_flags; /* Flags, see mm.h. */
struct rb_node vm_rb;
_
Patches currently in -mm which might be from kosaki.motohiro@xxxxxxxxxxxxxx are
memcg-fix-mem_cgroup_rotate_reclaimable_page.patch
mm-check-that-we-have-the-right-vma-in-__access_remote_vm.patch
vmscan-all_unreclaimable-use-zone-all_unreclaimable-as-a-name.patch
oom-kill-remove-boost_dying_task_prio.patch
mm-per-node-vmstat-show-proper-vmstats.patch
mm-per-node-vmstat-show-proper-vmstats-fix.patch
mm-increase-reclaim_distance-to-30.patch
mm-introduce-wait_on_page_locked_killable.patch
x86mm-make-pagefault-killable.patch
mm-mem-hotplug-fix-section-mismatch-setup_per_zone_inactive_ratio-should-be-__meminit.patch
mm-mem-hotplug-recalculate-lowmem_reserve-when-memory-hotplug-occur.patch
mm-mem-hotplug-update-pcp-stat_threshold-when-memory-hotplug-occur.patch
mm-mem-hotplug-update-pcp-stat_threshold-when-memory-hotplug-occur-fix.patch
mm-convert-vma-vm_flags-to-64-bit.patch
mm-add-__nocast-attribute-to-vm_flags.patch
fremap-convert-vm_flags-to-unsigned-long-long.patch
procfs-convert-vm_flags-to-unsigned-long-long.patch
mm-batch-activate_page-to-reduce-lock-contention.patch
mm-move-enum-vm_event_item-into-a-standalone-header-file.patch
memcg-count-the-soft_limit-reclaim-in-global-background-reclaim.patch
memcg-add-stats-to-monitor-soft_limit-reclaim.patch
add-the-pagefault-count-into-memcg-stats.patch
add-the-pagefault-count-into-memcg-stats-fix.patch
kexec-remove-kmsg_dump_kexec.patch
kexec-remove-kmsg_dump_kexec-fix.patch
--
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