To restart DSP system after DSP crash, reloading bridge module is
necessary and a high order page allocation may fail after long use
time because of memory fragmentation. To avoid this, mark it as
reclaimable for immediate reloading.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx>
---
drivers/dsp/bridge/services/mem.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/dsp/bridge/services/mem.c b/drivers/dsp/bridge/services/mem.c
index 0a10304..3661fb1 100644
--- a/drivers/dsp/bridge/services/mem.c
+++ b/drivers/dsp/bridge/services/mem.c
@@ -357,9 +357,14 @@ void *MEM_AllocPhysMem(u32 cBytes, u32 ulAlign, OUT u32 *pPhysicalAddress)
if (extPhysMemPoolEnabled) {
pVaMem = MEM_ExtPhysMemAlloc(cBytes, ulAlign,
(u32 *)&paMem);
- } else
- pVaMem = dma_alloc_coherent(NULL, cBytes, &paMem,
- (in_atomic()) ? GFP_ATOMIC : GFP_KERNEL);
+ } else {
+ gfp_t gfp = (in_atomic()) ? GFP_ATOMIC : GFP_KERNEL;
+
+ /* To ensure allocation at immediate reloading */
+ gfp |= __GFP_RECLAIMABLE;
+
+ pVaMem = dma_alloc_coherent(NULL, cBytes, &paMem, gfp);
+ }
if (pVaMem == NULL) {
*pPhysicalAddress = 0;
GT_1trace(MEM_debugMask, GT_6CLASS,
--
1.5.6.3
--
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