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Wed, 17 Apr 2024 08:07:52 -0700 (PDT) From: "Ritesh Harjani (IBM)" To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH] powerpc/ptdump: Fix walk_vmemmap to also print first vmemmap entry Date: Wed, 17 Apr 2024 20:37:40 +0530 Message-ID: X-Mailer: git-send-email 2.44.0 MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nathanl@linux.ibm.com, "Ritesh Harjani \(IBM\)" , npiggin@gmail.com, donettom@linux.ibm.com Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" walk_vmemmap() was skipping the first vmemmap entry pointed by vmemmap_list pointer itself. This patch fixes that. With this we should see the vmemmap entry at 0xc00c000000000000 for hash which wasn't getting printed on doing "cat /sys/kernel/debug/kernel_hash_pagetable" Signed-off-by: Ritesh Harjani (IBM) --- arch/powerpc/mm/ptdump/hashpagetable.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.44.0 diff --git a/arch/powerpc/mm/ptdump/hashpagetable.c b/arch/powerpc/mm/ptdump/hashpagetable.c index 9a601587836b..a6baa6166d94 100644 --- a/arch/powerpc/mm/ptdump/hashpagetable.c +++ b/arch/powerpc/mm/ptdump/hashpagetable.c @@ -491,7 +491,7 @@ static void walk_vmemmap(struct pg_state *st) * Traverse the vmemmaped memory and dump pages that are in the hash * pagetable. */ - while (ptr->list) { + while (ptr) { hpte_find(st, ptr->virt_addr, mmu_vmemmap_psize); ptr = ptr->list; }