Re: [PATCH] Remove unnecessary calls to kmap{,_local_page}() when acquiring pages using GFP_DMA32.

Sumitra Sharma wrote: > The GFP_DMA32 uses the DMA32 zone to satisfy the allocation > requests. Therefore, pages allocated with GFP_DMA32 cannot > come from Highmem. > > Avoid using calls to kmap() / kunmap() as the kmap() is being > deprecated [1]. > > Avoid using calls to kmap_local_page() /

[PATCH] Remove unnecessary calls to kmap{,_local_page}() when acquiring pages using GFP_DMA32.

The GFP_DMA32 uses the DMA32 zone to satisfy the allocation requests. Therefore, pages allocated with GFP_DMA32 cannot come from Highmem. Avoid using calls to kmap() / kunmap() as the kmap() is being deprecated [1]. Avoid using calls to kmap_local_page() / kunmap_local() as the code does not