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reserve_region_with_split: Fix GFP_KERNEL usage under spinlock

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This one apparently doesn't generate any warnings, because the function
is only used during system bootup, when the warnings are disabled.  But
it's still very wrong.

The __reserve_region_with_split() function is called with the
resource_lock held for writing, so it must only ever do GFP_ATOMIC
allocations.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2008-11-01 09:53:58 -07:00
parent cdce1f0931
commit 42c0202363
1 changed files with 1 additions and 1 deletions
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2
kernel/resource.c
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@ -523,7 +523,7 @@ static void __init __reserve_region_with_split(struct resource *root,
{
struct resource *parent = root;
struct resource *conflict;
struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);
struct resource *res = kzalloc(sizeof(*res), GFP_ATOMIC);
if (!res)
return;