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From: Andrew Morton <akpm@linux-foundation.org>
To: Roman Gushchin <guro@fb.com>
Cc: Mike Rapoport <rppt@kernel.org>, <linux-mm@kvack.org>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Rik van Riel <riel@surriel.com>, Michal Hocko <mhocko@kernel.org>,
	<linux-kernel@vger.kernel.org>, <kernel-team@fb.com>
Subject: Re: [PATCH v2 1/2] mm: cma: allocate cma areas bottom-up
Date: Tue, 22 Dec 2020 20:06:06 -0800	[thread overview]
Message-ID: <20201222200606.fe4444f1f0ba008ee9fda091@linux-foundation.org> (raw)
In-Reply-To: <20201221170551.GB3428478@carbon.DHCP.thefacebook.com>

On Mon, 21 Dec 2020 09:05:51 -0800 Roman Gushchin <guro@fb.com> wrote:

> Subject: [PATCH v3 1/2] mm: cma: allocate cma areas bottom-up

i386 allmodconfig:

In file included from ./include/vdso/const.h:5,
                 from ./include/linux/const.h:4,
                 from ./include/linux/bits.h:5,
                 from ./include/linux/bitops.h:6,
                 from ./include/linux/kernel.h:11,
                 from ./include/asm-generic/bug.h:20,
                 from ./arch/x86/include/asm/bug.h:93,
                 from ./include/linux/bug.h:5,
                 from ./include/linux/mmdebug.h:5,
                 from ./include/linux/mm.h:9,
                 from ./include/linux/memblock.h:13,
                 from mm/cma.c:24:
mm/cma.c: In function ‘cma_declare_contiguous_nid’:
./include/uapi/linux/const.h:20:19: warning: conversion from ‘long long unsigned int’ to ‘phys_addr_t’ {aka ‘unsigned int’} changes value from ‘4294967296’ to ‘0’ [-Woverflow]
 #define __AC(X,Y) (X##Y)
                   ^~~~~~
./include/uapi/linux/const.h:21:18: note: in expansion of macro ‘__AC’
 #define _AC(X,Y) __AC(X,Y)
                  ^~~~
./include/linux/sizes.h:46:18: note: in expansion of macro ‘_AC’
 #define SZ_4G    _AC(0x100000000, ULL)
                  ^~~
mm/cma.c:349:53: note: in expansion of macro ‘SZ_4G’
    addr = memblock_alloc_range_nid(size, alignment, SZ_4G,
                                                     ^~~~~


  reply	other threads:[~2020-12-23  4:06 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-17 20:12 [PATCH v2 1/2] mm: cma: allocate cma areas bottom-up Roman Gushchin
2020-12-17 20:12 ` [PATCH v2 2/2] memblock: do not start bottom-up allocations with kernel_end Roman Gushchin
2020-12-19 14:52   ` Wonhyuk Yang
2020-12-19 14:52     ` Wonhyuk Yang
2020-12-19 17:05     ` Roman Gushchin
2020-12-20  6:49   ` Mike Rapoport
2021-01-22  4:37     ` Thiago Jung Bauermann
2021-01-22  4:37       ` Thiago Jung Bauermann
2021-01-24  2:09       ` Andrew Morton
2021-01-24  2:09         ` Andrew Morton
2021-01-24  7:34         ` Mike Rapoport
2021-01-24  7:34           ` Mike Rapoport
2021-01-26  0:30           ` Thiago Jung Bauermann
2021-01-26  0:30             ` Thiago Jung Bauermann
2021-02-08 23:58           ` Thiago Jung Bauermann
2021-02-08 23:58             ` Thiago Jung Bauermann
2021-02-28  4:18   ` Florian Fainelli
2021-02-28  9:00     ` Mike Rapoport
2021-02-28 18:19       ` Florian Fainelli
2021-02-28 23:08         ` Serge Semin
2021-03-01  3:50           ` Florian Fainelli
2021-03-01  3:50             ` Florian Fainelli
2021-03-01  9:22             ` Serge Semin
2021-03-01  9:22               ` Serge Semin
2021-03-02  4:09               ` Florian Fainelli
2021-03-02  4:09                 ` Florian Fainelli
2021-03-02 13:26                 ` Serge Semin
2021-03-02  4:19               ` [PATCH] MIPS: BMIPS: Reserve exception base to prevent corruption Florian Fainelli
2021-03-02  8:09                 ` Mike Rapoport
2021-03-02 13:54                 ` Serge Semin
2021-03-02 19:04                 ` Roman Gushchin
2021-03-02 23:54                 ` Thomas Bogendoerfer
2021-03-03  1:30                   ` Florian Fainelli
2021-03-03  9:41                     ` Thomas Bogendoerfer
2021-03-03 17:45                       ` Maciej W. Rozycki
2021-03-03 18:15                         ` Thomas Bogendoerfer
2021-03-03 21:50                           ` Maciej W. Rozycki
2021-03-01  9:45             ` [PATCH v2 2/2] memblock: do not start bottom-up allocations with kernel_end Mike Rapoport
2021-03-01  9:45               ` Mike Rapoport
2021-03-02  3:55               ` Roman Gushchin
2021-03-02  3:55                 ` Roman Gushchin
2021-03-02 13:08                 ` Serge Semin
2021-03-23 18:19   ` [tip: x86/boot] x86/setup: Consolidate early memory reservations tip-bot2 for Mike Rapoport
2020-12-20  6:48 ` [PATCH v2 1/2] mm: cma: allocate cma areas bottom-up Mike Rapoport
2020-12-21 17:05   ` Roman Gushchin
2020-12-23  4:06     ` Andrew Morton [this message]
2020-12-23 16:35       ` Roman Gushchin
2020-12-23 22:10         ` Mike Rapoport
2020-12-28 19:36           ` Roman Gushchin

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