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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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