Re: [PATCH v4 1/3] ioremap: Update pgtable free interfaces with addr

2018-03-20 Thread Kani, Toshi
On Tue, 2018-03-20 at 17:15 +0530, Chintan Pandya wrote: > This patch ("mm/vmalloc: Add interfaces to free unmapped > page table") adds following 2 interfaces to free the page > table in case we implement huge mapping. > > pud_free_pmd_page() and pmd_free_pte_page() > > Some architectures (like a

[PATCH v4 1/3] ioremap: Update pgtable free interfaces with addr

2018-03-20 Thread Chintan Pandya
This patch ("mm/vmalloc: Add interfaces to free unmapped page table") adds following 2 interfaces to free the page table in case we implement huge mapping. pud_free_pmd_page() and pmd_free_pte_page() Some architectures (like arm64) needs to do proper TLB maintanance after updating pagetable entry