vfree() is NULL safe so MEM_VFree() doesn't provide any significant advantage. By getting rid of MEM_VFree() and the NULL pointer check associated with it, we can save on: 1. One level of indirection which translates to a function call cost. 2. NULL pointer checking cost.
Signed-off-by: Ameya Palande <ameya.pala...@nokia.com> --- arch/arm/plat-omap/include/dspbridge/mem.h | 17 ----------------- drivers/dsp/bridge/pmgr/dmm.c | 3 +-- drivers/dsp/bridge/services/mem.c | 17 ----------------- 3 files changed, 1 insertions(+), 36 deletions(-) diff --git a/arch/arm/plat-omap/include/dspbridge/mem.h b/arch/arm/plat-omap/include/dspbridge/mem.h index e20d6d2..9d9a7a3 100644 --- a/arch/arm/plat-omap/include/dspbridge/mem.h +++ b/arch/arm/plat-omap/include/dspbridge/mem.h @@ -140,23 +140,6 @@ extern void MEM_FlushCache(void *pMemBuf, u32 cBytes, s32 FlushType); /* - * ======== MEM_VFree ======== - * Purpose: - * Free the given block of system memory in virtual space. - * Parameters: - * pMemBuf: Pointer to memory allocated by MEM_Calloc/Alloc() - * using vmalloc. - * Returns: - * Requires: - * MEM initialized. - * pMemBuf is a valid memory address returned by MEM_Calloc/Alloc() - * using vmalloc. - * Ensures: - * pMemBuf is no longer a valid pointer to memory. - */ - extern void MEM_VFree(IN void *pMemBuf); - -/* * ======== MEM_FreePhysMem ======== * Purpose: * Free the given block of physically contiguous memory. diff --git a/drivers/dsp/bridge/pmgr/dmm.c b/drivers/dsp/bridge/pmgr/dmm.c index d5a7275..2425f0f 100644 --- a/drivers/dsp/bridge/pmgr/dmm.c +++ b/drivers/dsp/bridge/pmgr/dmm.c @@ -220,8 +220,7 @@ DSP_STATUS DMM_DeleteTables(struct DMM_OBJECT *hDmmMgr) /* Delete all DMM tables */ SYNC_EnterCS(pDmmObj->hDmmLock); - if (pVirtualMappingTable != NULL) - MEM_VFree(pVirtualMappingTable); + vfree(pVirtualMappingTable); SYNC_LeaveCS(pDmmObj->hDmmLock); } else diff --git a/drivers/dsp/bridge/services/mem.c b/drivers/dsp/bridge/services/mem.c index 614396e..57f1794 100644 --- a/drivers/dsp/bridge/services/mem.c +++ b/drivers/dsp/bridge/services/mem.c @@ -292,23 +292,6 @@ void MEM_FlushCache(void *pMemBuf, u32 cBytes, s32 FlushType) } /* - * ======== MEM_VFree ======== - * Purpose: - * Free the given block of system memory in virtual space. - */ -void MEM_VFree(IN void *pMemBuf) -{ - DBC_Require(pMemBuf != NULL); - - GT_1trace(MEM_debugMask, GT_ENTER, "MEM_VFree: pMemBufs 0x%x\n", - pMemBuf); - - if (pMemBuf) { - vfree(pMemBuf); - } -} - -/* * ======== MEM_FreePhysMem ======== * Purpose: * Free the given block of physically contiguous memory. -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html