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-rw-r--r--arch/powerpc/kernel/fadump.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index d03e488cfe9c..4fdb7c77fda1 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -113,6 +113,12 @@ static int __init fadump_cma_init(void)
}
/*
+ * If CMA activation fails, keep the pages reserved, instead of
+ * exposing them to buddy allocator. Same as 'fadump=nocma' case.
+ */
+ cma_reserve_pages_on_error(fadump_cma);
+
+ /*
* So we now have successfully initialized cma area for fadump.
*/
pr_info("Initialized 0x%lx bytes cma area at %ldMB from 0x%lx "
@@ -544,7 +550,7 @@ int __init fadump_reserve_mem(void)
if (!fw_dump.nocma) {
fw_dump.boot_memory_size =
ALIGN(fw_dump.boot_memory_size,
- FADUMP_CMA_ALIGNMENT);
+ CMA_MIN_ALIGNMENT_BYTES);
}
#endif