[PATCH v2 1/2] powerpc: pci-ioda: use bitmap_alloc() in pnv_ioda_pick_m64_pe()

Andrew Donnellan ajd at linux.ibm.com
Tue Aug 12 11:07:08 AEST 2025


On Mon, 2025-08-11 at 12:51 -0400, Yury Norov wrote:

> -	/* Allocate bitmap */
> -	size = ALIGN(phb->ioda.total_pe_num / 8, sizeof(unsigned long));
> -	pe_alloc = kzalloc(size, GFP_KERNEL);
> +	pe_alloc = bitmap_alloc(phb->ioda.total_pe_num, GFP_KERNEL);

I haven't checked whether or not this has practical impact given what we later
do with the bitmap - does this need to be bitmap_zalloc() to match the existing
use of kzalloc()?

-- 
Andrew Donnellan    OzLabs, ADL Canberra
ajd at linux.ibm.com   IBM Australia Limited


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