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Wed, 24 Apr 2024 11:21:23 +0000 (GMT) X-AuditID: b6c32a50-ccbff70000004be7-3b-6628eb669c84 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 03.29.08924.33BE8266; Wed, 24 Apr 2024 20:21:23 +0900 (KST) Received: from localhost.localdomain (unknown [107.109.224.44]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20240424112121epsmtip205e42635ac4666ad8055611a646f167b~JM24fgL4j2230922309epsmtip2p; Wed, 24 Apr 2024 11:21:21 +0000 (GMT) From: Hariom Panthi To: akpm@linux-foundation.org, urezki@gmail.com, hch@infradead.org, lstoakes@gmail.com, vbabka@suse.cz, osalvador@suse.de Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, r.thapliyal@samsung.com, Maninder Singh , Hariom Panthi Subject: [PATCH 1/2] mm: page_owner: fixing wrong information in dump_page_owner Date: Wed, 24 Apr 2024 16:48:37 +0530 Message-Id: <20240424111838.3782931-1-hariom1.p@samsung.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrMKsWRmVeSWpSXmKPExsWy7bCmpm7aa400g6PzRCzmrF/DZvGk7RCL xekJi5gsLu+aw2Zxb81/Vos73+axWxye38ZicWZakcXGe9kWqy+yWMxu7GN04PbYOesuu8fm FVoemz5NYvc4MeM3i0ffllWMHmcWHAGKn672+LxJLoAjissmJTUnsyy1SN8ugSvj8LSDzAVL uStmPJNrYNzB2cXIwSEhYCLRfSSsi5GLQ0hgD6PEyjuTWLsYOYGcT4wSn57KQCS+MUos3z6P BSQB0jDzXw8bRGIvo8SRvldMEM4XRon7S+6ygIxlE9CWOP7JCqRBRKBa4tT+12DNzAKLGCW+ f9cBsYUFgiRmvFzCDGKzCKhK7Lk2jx3E5hWwkXi94xk7xDJ5iZmXvkPFBSVOznwCNUdeonnr bGaImr/sEpMOGkLYLhLNh9ZBHSos8er4Fqg5UhKf3+1lg7DLJboXdLNC2A2MEnOX+0DY9hJP Li5kBTmfWUBTYv0ufYiwrMTUU+uYINbySfT+fsIEEeeV2DEPxlaWmHtkE9RaSYkd8zugbA+J 5fuWMkICNFaid9oO9gmM8rOQfDMLyTezEDYvYGRexSiVWlCcm56abFpgqJuXWq5XnJhbXJqX rpecn7uJEZyOtAJ2MK7e8FfvECMTB+MhRgkOZiUR3l9/VNKEeFMSK6tSi/Lji0pzUosPMUpz sCiJ875unZsiJJCeWJKanZpakFoEk2Xi4JRqYJpWc9Hq7F376WzZG4Lfz+W/9u1x+u7OE4Vi 1jczr7Yk+H+TkD1g/Glu32KdNI46sT+n2KoWm6mf1nk/9ZnVnW8fjq130D5fNKk+vHaL+Ufh +FlTHv1k4eLcEvdjnUbFotTQdQ6BvhzaweXTsjwk3dZbFPqqXG49Vr+dP2C5zJ311XfmmIm9 E5/2+tnpwn8vI235WtsNPrWEHr5/56h9/bKbcifmnJh7aaYVmwBn4IYPoR03HGuSD4qxFeuI m5gVXg4K/Sutt8dmVbnc5f+Zr/W/T1pncIlhj85CrzOsEx5dszxU3OJ3f4Zf8ry9byVLvwdy /Vm7h3X63MuT83oO+98qfGceedDH5Afbqylt3b5KLMUZiYZazEXFiQA6evAKtgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLLMWRmVeSWpSXmKPExsWy7bCSvK7xa400g5k7+SzmrF/DZvGk7RCL xekJi5gsLu+aw2Zxb81/Vos73+axWxye38ZicWZakcXGe9kWqy+yWMxu7GN04PbYOesuu8fm FVoemz5NYvc4MeM3i0ffllWMHmcWHAGKn672+LxJLoAjissmJTUnsyy1SN8ugSvj8LSDzAVL uStmPJNrYNzB2cXIySEhYCIx818PWxcjF4eQwG5GiUUn17NAJCQl1s3/wgxhC0us/PecHaLo E6PEnketrF2MHBxsAtoSxz9ZgcRFBJoZJbbO3sMI4jALLGOUuLHrOBNIt7BAgMTWt82sIDaL gKrEnmvz2EFsXgEbidc7nrFDbJCXmHnpO1RcUOLkzCdgVzADxZu3zmaewMg3C0lqFpLUAkam VYySqQXFuem5xYYFhnmp5XrFibnFpXnpesn5uZsYwSGupbmDcfuqD3qHGJk4GA8xSnAwK4nw /vqjkibEm5JYWZValB9fVJqTWnyIUZqDRUmcV/xFb4qQQHpiSWp2ampBahFMlomDU6qB6Zyv JI+tsUT524jZ2qemfDHhdrj8P6Lww6++4mlyt+PLUj/c2OA89WTPzvIG04tFLas2XLdP67tq LSm1bUX/tPbL2hM59zrztFQ8Cvy+IY8x/c5GXzOmGPmZExs+xX6JKHwsWDK58MiiygV3tP+q 7F3MnfFg3QSb8qLvZa/ET4lzmKbEyt/2meLrtMkpfMv2pyuO/2k9t1FO++mOvSwxU1+mOmp8 2XEq5vzJsI/1teoS03ac56263BkUFyAz8XXFBMZj9Y2/rLZHfJ1Zff3JgoN6xqefGJaz/713 12FfdYT7sl05ugIbFm11XveCRSQj+4vFZMOckJK7cy3mbevQeKHkOZOrscSyZ8paR36bC0os xRmJhlrMRcWJAEpCcqTgAgAA X-CMS-MailID: 20240424112123epcas5p46e76f51b8913661a6b740dcbbec83621 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P X-CMS-RootMailID: 20240424112123epcas5p46e76f51b8913661a6b740dcbbec83621 References: X-Stat-Signature: dgt6ujxmmktbs6k4hoxk7c31qp3oidxd X-Rspamd-Queue-Id: 4AFD240013 X-Rspamd-Server: rspam10 X-Rspam-User: X-HE-Tag: 1713957737-209855 X-HE-Meta: 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 /JUztJX/ +36tm14RL6TZ9VfSjyd1Ktoqo571micuumbJDu6ZEgMBhs/s= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Maninder Singh with commit ea4b5b33bf8a ("mm,page_owner: update metadata for tail pages"), new API __update_page_owner_handle was introduced and arguemnt was passed in wrong order from __set_page_owner and thus page_owner is giving wrong data. [ 15.982420] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xcc0(GFP_KERNEL), pid 80, tgid -1210279584 (insmod), ts 80, free_ts 0 Fixing the same. Correct output: [ 14.556482] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xcc0(GFP_KERNEL), pid 80, tgid 80 (insmod), ts 14552004992, free_ts 0 Fixes: ea4b5b33bf8a ("mm,page_owner: update metadata for tail pages") Signed-off-by: Maninder Singh Signed-off-by: Hariom Panthi --- mm/page_owner.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_owner.c b/mm/page_owner.c index 742f432e5bf0..6669c7eadfb3 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -328,7 +328,7 @@ noinline void __set_page_owner(struct page *page, unsigned short order, if (unlikely(!page_ext)) return; __update_page_owner_handle(page_ext, handle, order, gfp_mask, -1, - current->pid, current->tgid, ts_nsec, + ts_nsec, current->pid, current->tgid, current->comm); page_ext_put(page_ext); inc_stack_record_count(handle, gfp_mask, 1 << order); -- 2.25.1