From mboxrd@z Thu Jan 1 00:00:00 1970 From: toshi.kani@hpe.com (Kani, Toshi) Date: Tue, 20 Mar 2018 22:58:18 +0000 Subject: [PATCH v4 1/3] ioremap: Update pgtable free interfaces with addr In-Reply-To: <1521546314-31753-2-git-send-email-cpandya@codeaurora.org> References: <1521546314-31753-1-git-send-email-cpandya@codeaurora.org> <1521546314-31753-2-git-send-email-cpandya@codeaurora.org> Message-ID: <1521586688.2693.231.camel@hpe.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 arm64) needs to do proper TLB > maintanance after updating pagetable entry even in map. > Why ? Read this, > https://patchwork.kernel.org/patch/10134581/ > > Pass 'addr' in these interfaces so that proper TLB ops > can be performed. > > Signed-off-by: Chintan Pandya Thanks for the update. The change looks good. Reviewed-by: Toshi Kani -Toshi