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authorIngo Molnar <mingo@elte.hu>2009-11-15 09:50:38 +0100
committerIngo Molnar <mingo@elte.hu>2009-11-15 09:50:41 +0100
commit39dc78b6510323848e3356452f7dab9499736978 (patch)
treecf8a8fede74e41b203fd00e3ccd21ead2e851442 /mm/highmem.c
parent4c49b12853fbb5eff4849b7b6a1e895776f027a1 (diff)
parent156171c71a0dc4bce12b4408bb1591f8fe32dc1a (diff)
downloadop-kernel-dev-39dc78b6510323848e3356452f7dab9499736978.zip
op-kernel-dev-39dc78b6510323848e3356452f7dab9499736978.tar.gz
Merge commit 'v2.6.32-rc7' into perf/core
Merge reason: pick up perf fixlets Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/highmem.c')
-rw-r--r--mm/highmem.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/mm/highmem.c b/mm/highmem.c
index 25878cc..9c1e627 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -426,16 +426,21 @@ void __init page_address_init(void)
void debug_kmap_atomic(enum km_type type)
{
- static unsigned warn_count = 10;
+ static int warn_count = 10;
- if (unlikely(warn_count == 0))
+ if (unlikely(warn_count < 0))
return;
if (unlikely(in_interrupt())) {
- if (in_irq()) {
+ if (in_nmi()) {
+ if (type != KM_NMI && type != KM_NMI_PTE) {
+ WARN_ON(1);
+ warn_count--;
+ }
+ } else if (in_irq()) {
if (type != KM_IRQ0 && type != KM_IRQ1 &&
type != KM_BIO_SRC_IRQ && type != KM_BIO_DST_IRQ &&
- type != KM_BOUNCE_READ) {
+ type != KM_BOUNCE_READ && type != KM_IRQ_PTE) {
WARN_ON(1);
warn_count--;
}
@@ -452,7 +457,9 @@ void debug_kmap_atomic(enum km_type type)
}
if (type == KM_IRQ0 || type == KM_IRQ1 || type == KM_BOUNCE_READ ||
- type == KM_BIO_SRC_IRQ || type == KM_BIO_DST_IRQ) {
+ type == KM_BIO_SRC_IRQ || type == KM_BIO_DST_IRQ ||
+ type == KM_IRQ_PTE || type == KM_NMI ||
+ type == KM_NMI_PTE ) {
if (!irqs_disabled()) {
WARN_ON(1);
warn_count--;
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