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Message-ID: <cd57a6e5-ce82-3cc5-4bc8-850ddc0c2b94@suse.cz>
Date: Thu, 18 Mar 2021 13:35:37 +0100
From: Vlastimil Babka <vbabka@...e.cz>
To: Maninder Singh <maninder1.s@...sung.com>, paulmck@...nel.org,
linux@...linux.org.uk, cl@...ux.com, penberg@...nel.org,
rientjes@...gle.com, iamjoonsoo.kim@....com,
akpm@...ux-foundation.org, 0x7f454c46@...il.com,
viro@...iv.linux.org.uk
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-mm@...ck.org, a.sahrawat@...sung.com,
Vaneet Narang <v.narang@...sung.com>
Subject: Re: [PATCH 2/3] mm/slub: Add Support for free path information of an
object.
On 3/16/21 11:37 AM, Maninder Singh wrote:
> Adding support for inforamtion of free path along with allocation
> path of an object:
>
> slab kmalloc-64 start c8ab0140 data offset 64 pointer offset 0 size 64 allocated at meminfo_proc_show+0x40/0x4fc
> [ 20.192078] meminfo_proc_show+0x40/0x4fc
> [ 20.192263] seq_read_iter+0x18c/0x4c4
> [ 20.192430] proc_reg_read_iter+0x84/0xac
> [ 20.192617] generic_file_splice_read+0xe8/0x17c
> [ 20.192816] splice_direct_to_actor+0xb8/0x290
> [ 20.193008] do_splice_direct+0xa0/0xe0
> [ 20.193185] do_sendfile+0x2d0/0x438
> [ 20.193345] sys_sendfile64+0x12c/0x140
> [ 20.193523] ret_fast_syscall+0x0/0x58
> [ 20.193695] 0xbeeacde4
> [ 20.193822] Free path:
> [ 20.193935] meminfo_proc_show+0x5c/0x4fc
> [ 20.194115] seq_read_iter+0x18c/0x4c4
> [ 20.194285] proc_reg_read_iter+0x84/0xac
> [ 20.194475] generic_file_splice_read+0xe8/0x17c
> [ 20.194685] splice_direct_to_actor+0xb8/0x290
> [ 20.194870] do_splice_direct+0xa0/0xe0
> [ 20.195014] do_sendfile+0x2d0/0x438
> [ 20.195174] sys_sendfile64+0x12c/0x140
> [ 20.195336] ret_fast_syscall+0x0/0x58
> [ 20.195491] 0xbeeacde4
>
> Co-developed-by: Vaneet Narang <v.narang@...sung.com>
> Signed-off-by: Vaneet Narang <v.narang@...sung.com>
> Signed-off-by: Maninder Singh <maninder1.s@...sung.com>
Acked-by: Vlastimil Babka <vbabka@...e.cz>
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