From: Usama Arif <usama.arif@bytedance.com>
To: linux-mm@kvack.org, muchun.song@linux.dev,
mike.kravetz@oracle.com, rppt@kernel.org
Cc: linux-kernel@vger.kernel.org, fam.zheng@bytedance.com,
liangma@liangbit.com, simon.evans@bytedance.com,
punit.agrawal@bytedance.com,
Usama Arif <usama.arif@bytedance.com>
Subject: [v1 3/6] memblock: add parameter to memblock_setclr_flag for selecting memblock_type
Date: Thu, 27 Jul 2023 21:46:21 +0100 [thread overview]
Message-ID: <20230727204624.1942372-4-usama.arif@bytedance.com> (raw)
In-Reply-To: <20230727204624.1942372-1-usama.arif@bytedance.com>
This is in preparation for setting flags (for e.g. to not initialize
struct pages) on reserved memory region.
Signed-off-by: Usama Arif <usama.arif@bytedance.com>
---
mm/memblock.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/mm/memblock.c b/mm/memblock.c
index f9e61e565a53..4fd431d16ef2 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -897,11 +897,16 @@ int __init_memblock memblock_physmem_add(phys_addr_t base, phys_addr_t size)
* Return: 0 on success, -errno on failure.
*/
static int __init_memblock memblock_setclr_flag(phys_addr_t base,
- phys_addr_t size, int set, int flag)
+ phys_addr_t size, int set, int flag, bool reserved)
{
- struct memblock_type *type = &memblock.memory;
+ struct memblock_type *type;
int i, ret, start_rgn, end_rgn;
+ if (reserved)
+ type = &memblock.reserved;
+ else
+ type = &memblock.memory;
+
ret = memblock_isolate_range(type, base, size, &start_rgn, &end_rgn);
if (ret)
return ret;
@@ -928,7 +933,7 @@ static int __init_memblock memblock_setclr_flag(phys_addr_t base,
*/
int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size)
{
- return memblock_setclr_flag(base, size, 1, MEMBLOCK_HOTPLUG);
+ return memblock_setclr_flag(base, size, 1, MEMBLOCK_HOTPLUG, 0);
}
/**
@@ -940,7 +945,7 @@ int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size)
*/
int __init_memblock memblock_clear_hotplug(phys_addr_t base, phys_addr_t size)
{
- return memblock_setclr_flag(base, size, 0, MEMBLOCK_HOTPLUG);
+ return memblock_setclr_flag(base, size, 0, MEMBLOCK_HOTPLUG, 0);
}
/**
@@ -957,7 +962,7 @@ int __init_memblock memblock_mark_mirror(phys_addr_t base, phys_addr_t size)
system_has_some_mirror = true;
- return memblock_setclr_flag(base, size, 1, MEMBLOCK_MIRROR);
+ return memblock_setclr_flag(base, size, 1, MEMBLOCK_MIRROR, 0);
}
/**
@@ -977,7 +982,7 @@ int __init_memblock memblock_mark_mirror(phys_addr_t base, phys_addr_t size)
*/
int __init_memblock memblock_mark_nomap(phys_addr_t base, phys_addr_t size)
{
- return memblock_setclr_flag(base, size, 1, MEMBLOCK_NOMAP);
+ return memblock_setclr_flag(base, size, 1, MEMBLOCK_NOMAP, 0);
}
/**
@@ -989,7 +994,7 @@ int __init_memblock memblock_mark_nomap(phys_addr_t base, phys_addr_t size)
*/
int __init_memblock memblock_clear_nomap(phys_addr_t base, phys_addr_t size)
{
- return memblock_setclr_flag(base, size, 0, MEMBLOCK_NOMAP);
+ return memblock_setclr_flag(base, size, 0, MEMBLOCK_NOMAP, 0);
}
static bool should_skip_region(struct memblock_type *type,
--
2.25.1
next prev parent reply other threads:[~2023-07-27 20:46 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-27 20:46 [v1 0/6] mm/memblock: Skip prep and initialization of struct pages freed later by HVO Usama Arif
2023-07-27 20:46 ` [v1 1/6] mm: hugetlb: Skip prep of tail pages when HVO is enabled Usama Arif
2023-07-28 8:18 ` kernel test robot
2023-07-28 11:26 ` kernel test robot
2023-07-29 6:37 ` Mike Rapoport
2023-07-27 20:46 ` [v1 2/6] mm: hugetlb_vmemmap: Use nid of the head page to reallocate it Usama Arif
2023-07-27 20:46 ` Usama Arif [this message]
2023-07-29 6:42 ` [v1 3/6] memblock: add parameter to memblock_setclr_flag for selecting memblock_type Mike Rapoport
2023-07-27 20:46 ` [v1 4/6] memblock: introduce MEMBLOCK_RSRV_NOINIT flag Usama Arif
2023-07-28 4:30 ` Mika Penttilä
2023-07-28 13:47 ` [External] " Usama Arif
2023-07-28 15:51 ` Mika Penttilä
2023-07-29 6:58 ` Mike Rapoport
2023-07-27 20:46 ` [v1 5/6] mm: move allocation of gigantic hstates to the start of mm_core_init Usama Arif
2023-07-29 7:34 ` Mike Rapoport
2023-07-27 20:46 ` [v1 6/6] mm: hugetlb: Skip initialization of struct pages freed later by HVO Usama Arif
2023-07-28 16:33 ` kernel test robot
2023-07-28 17:25 ` kernel test robot
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