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Diffstat (limited to 'include/linux/sched')
-rw-r--r--include/linux/sched/mm.h17
-rw-r--r--include/linux/sched/task_stack.h2
2 files changed, 6 insertions, 13 deletions
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index 07bb8d4181d7..928a626725e6 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -251,25 +251,16 @@ static inline gfp_t current_gfp_context(gfp_t flags)
{
unsigned int pflags = READ_ONCE(current->flags);
- if (unlikely(pflags & (PF_MEMALLOC_NOIO |
- PF_MEMALLOC_NOFS |
- PF_MEMALLOC_NORECLAIM |
- PF_MEMALLOC_NOWARN |
- PF_MEMALLOC_PIN))) {
+ if (unlikely(pflags & (PF_MEMALLOC_NOIO | PF_MEMALLOC_NOFS | PF_MEMALLOC_PIN))) {
/*
- * Stronger flags before weaker flags:
- * NORECLAIM implies NOIO, which in turn implies NOFS
+ * NOIO implies both NOIO and NOFS and it is a weaker context
+ * so always make sure it makes precedence
*/
- if (pflags & PF_MEMALLOC_NORECLAIM)
- flags &= ~__GFP_DIRECT_RECLAIM;
- else if (pflags & PF_MEMALLOC_NOIO)
+ if (pflags & PF_MEMALLOC_NOIO)
flags &= ~(__GFP_IO | __GFP_FS);
else if (pflags & PF_MEMALLOC_NOFS)
flags &= ~__GFP_FS;
- if (pflags & PF_MEMALLOC_NOWARN)
- flags |= __GFP_NOWARN;
-
if (pflags & PF_MEMALLOC_PIN)
flags &= ~__GFP_MOVABLE;
}
diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h
index bf10bdb487dd..6c2fef89a4fd 100644
--- a/include/linux/sched/task_stack.h
+++ b/include/linux/sched/task_stack.h
@@ -9,6 +9,7 @@
#include <linux/sched.h>
#include <linux/magic.h>
#include <linux/refcount.h>
+#include <linux/kasan.h>
#ifdef CONFIG_THREAD_INFO_IN_TASK
@@ -89,6 +90,7 @@ static inline int object_is_on_stack(const void *obj)
{
void *stack = task_stack_page(current);
+ obj = kasan_reset_tag(obj);
return (obj >= stack) && (obj < (stack + THREAD_SIZE));
}