The patch titled
bootmem: print request details before BUG_ON(them)
has been added to the -mm tree. Its filename is
bootmem-print-request-details-before-bug_onthem.patch
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------------------------------------------------------
Subject: bootmem: print request details before BUG_ON(them)
From: Johannes Weiner <hannes@xxxxxxxxxxx>
Moving the request details print-out before the sanity checks that
might panic() enables us to analyse invalid requests without having
access to the line information of the stack dump.
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/bootmem.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff -puN mm/bootmem.c~bootmem-print-request-details-before-bug_onthem mm/bootmem.c
--- a/mm/bootmem.c~bootmem-print-request-details-before-bug_onthem
+++ a/mm/bootmem.c
@@ -439,6 +439,10 @@ static void * __init alloc_bootmem_core(
unsigned long fallback = 0;
unsigned long min, max, start, sidx, midx, step;
+ bdebug("nid=%td size=%lx [%lu pages] align=%lx goal=%lx limit=%lx\n",
+ bdata - bootmem_node_data, size, PAGE_ALIGN(size) >> PAGE_SHIFT,
+ align, goal, limit);
+
BUG_ON(!size);
BUG_ON(align & (align - 1));
BUG_ON(limit && goal + size > limit);
@@ -446,10 +450,6 @@ static void * __init alloc_bootmem_core(
if (!bdata->node_bootmem_map)
return NULL;
- bdebug("nid=%td size=%lx [%lu pages] align=%lx goal=%lx limit=%lx\n",
- bdata - bootmem_node_data, size, PAGE_ALIGN(size) >> PAGE_SHIFT,
- align, goal, limit);
-
min = bdata->node_min_pfn;
max = bdata->node_low_pfn;
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxx are
mm-more-likely-reclaim-madv_sequential-mappings.patch
mm-apply_to_range-call-pte-function-with-lazy-updates.patch
vmscan-shrink_active_list-reduce-lru_lock-hold-time.patch
mm-check-for-no-mmaps-in-exit_mmap.patch
mm-check-for-no-mmaps-in-exit_mmap-fix.patch
bootmem-print-request-details-before-bug_onthem.patch
dma_alloc_from_coherent-fix-fallback-to-generic-memory.patch
dma_alloc_coherent-clean-it-up.patch
dma-coherent-catch-oversized-requests-to-dma_alloc_from_coherent.patch
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