From: Yinghai Lu <yinghai@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
Christoph Lameter <cl@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
Yinghai Lu <yinghai@kernel.org>
Subject: [PATCH 23/37] x86: add find_fw_memmap_area
Date: Fri, 15 Jan 2010 19:06:54 -0800 [thread overview]
Message-ID: <1263611228-6751-24-git-send-email-yinghai@kernel.org> (raw)
In-Reply-To: <1263611228-6751-1-git-send-email-yinghai@kernel.org>
so could move early_res up
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
arch/x86/include/asm/early_res.h | 1 +
arch/x86/kernel/e820.c | 4 ++++
arch/x86/kernel/early_res.c | 17 +++++++++++------
3 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/arch/x86/include/asm/early_res.h b/arch/x86/include/asm/early_res.h
index 5a4d2eb..9758f3d 100644
--- a/arch/x86/include/asm/early_res.h
+++ b/arch/x86/include/asm/early_res.h
@@ -12,6 +12,7 @@ u64 find_early_area(u64 ei_start, u64 ei_last, u64 start, u64 end,
u64 size, u64 align);
u64 find_early_area_size(u64 ei_start, u64 ei_last, u64 start,
u64 *sizep, u64 align);
+u64 find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align);
#include <linux/range.h>
int get_free_all_memory_range(struct range **rangep, int nodeid);
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index acd7be6..5c80050 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -742,6 +742,10 @@ u64 __init find_e820_area(u64 start, u64 end, u64 size, u64 align)
return -1ULL;
}
+u64 __init find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align)
+{
+ return find_e820_area(start, end, size, align);
+}
/*
* Find next free range after *start
*/
diff --git a/arch/x86/kernel/early_res.c b/arch/x86/kernel/early_res.c
index 38a0c61..e209fc4 100644
--- a/arch/x86/kernel/early_res.c
+++ b/arch/x86/kernel/early_res.c
@@ -7,16 +7,14 @@
#include <linux/bootmem.h>
#include <linux/mm.h>
-#include <asm/e820.h>
#include <asm/early_res.h>
-#include <asm/proto.h>
/*
* Early reserved memory areas.
*/
/*
* need to make sure this one is bigger enough before
- * find_e820_area could be used
+ * find_fw_memmap_area could be used
*/
#define MAX_EARLY_RES_X 32
@@ -180,6 +178,13 @@ void __init reserve_early_overlap_ok(u64 start, u64 end, char *name)
__reserve_early(start, end, name, 1);
}
+u64 __init __weak find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align)
+{
+ panic("should have find_fw_memmap_area defined with arch");
+
+ return -1ULL;
+}
+
static void __init __check_and_double_early_res(u64 ex_start, u64 ex_end)
{
u64 start, end, size, mem;
@@ -198,13 +203,13 @@ static void __init __check_and_double_early_res(u64 ex_start, u64 ex_end)
start = early_res[0].end;
end = ex_start;
if (start + size < end)
- mem = find_e820_area(start, end, size,
+ mem = find_fw_memmap_area(start, end, size,
sizeof(struct early_res));
if (mem == -1ULL) {
start = ex_end;
end = max_pfn_mapped << PAGE_SHIFT;
if (start + size < end)
- mem = find_e820_area(start, end, size,
+ mem = find_fw_memmap_area(start, end, size,
sizeof(struct early_res));
}
if (mem == -1ULL)
@@ -343,7 +348,7 @@ int __init get_free_all_memory_range(struct range **rangep, int nodeid)
start = MAX_DMA32_PFN << PAGE_SHIFT;
#endif
end = max_pfn_mapped << PAGE_SHIFT;
- mem = find_e820_area(start, end, size, sizeof(struct range));
+ mem = find_fw_memmap_area(start, end, size, sizeof(struct range));
if (mem == -1ULL)
panic("can not find more space for range free");
--
1.6.4.2
next prev parent reply other threads:[~2010-01-16 3:13 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-16 3:06 [PATCH -v4 0/37] x86: not use bootmem for x86 Yinghai Lu
2010-01-16 3:06 ` [PATCH 01/37] x86: move range related operation to one file Yinghai Lu
2010-01-19 16:54 ` Christoph Lameter
2010-01-20 19:37 ` Yinghai Lu
2010-01-20 19:51 ` Christoph Lameter
2010-01-20 19:59 ` Yinghai Lu
2010-01-16 3:06 ` [PATCH 02/37] x86: check range in update range Yinghai Lu
2010-01-19 16:56 ` Christoph Lameter
2010-01-20 19:39 ` Yinghai Lu
2010-01-20 19:50 ` Christoph Lameter
2010-01-20 19:57 ` Yinghai Lu
2010-01-16 3:06 ` [PATCH 03/37] x86/pci: use u64 instead of size_t in amd_bus.c Yinghai Lu
2010-01-16 3:06 ` [PATCH 04/37] x86/pci: add cap_resource Yinghai Lu
2010-01-16 3:06 ` [PATCH 05/37] x86/pci: enable pci root res read out for 32bit too Yinghai Lu
2010-01-16 3:06 ` [PATCH 06/37] x86: call early_res_to_bootmem one time Yinghai Lu
2010-01-16 3:06 ` [PATCH 07/37] x86: introduce max_early_res and early_res_count Yinghai Lu
2010-01-16 3:06 ` [PATCH 08/37] x86: dynamic increase early_res array size Yinghai Lu
2010-01-16 3:06 ` [PATCH 09/37] x86: print bootmem free before pci_iommu_alloc and free_all_bootmem -v2 Yinghai Lu
2010-01-16 3:06 ` [PATCH 10/37] x86: make early_node_mem get mem > 4g if possible Yinghai Lu
2010-01-16 3:06 ` [PATCH 11/37] x86: only call dma32_reserve_bootmem 64bit !CONFIG_NUMA Yinghai Lu
2010-01-16 3:06 ` [PATCH 12/37] x86: make 64 bit use early_res instead of bootmem before slab Yinghai Lu
2010-01-16 3:06 ` [PATCH 13/37] sparsemem: put usemap for one node together Yinghai Lu
2010-01-16 3:06 ` [PATCH 14/37] sparsemem: put mem map " Yinghai Lu
2010-01-19 17:13 ` Christoph Lameter
2010-01-16 3:06 ` [PATCH 15/37] x86: change range end to start+size Yinghai Lu
2010-01-16 3:06 ` [PATCH 16/37] x86: move bios page reserve early to head32/64.c Yinghai Lu
2010-01-16 3:06 ` [PATCH 17/37] x86: seperate early_res related code from e820.c Yinghai Lu
2010-01-16 3:06 ` [PATCH 18/37] x86: add find_early_area_size Yinghai Lu
2010-01-16 3:06 ` [PATCH 19/37] x86: move back find_e820_area to e820.c Yinghai Lu
2010-01-16 3:06 ` [PATCH 20/37] early_res: enhance check_and_double_early_res Yinghai Lu
2010-01-16 3:06 ` [PATCH 21/37] x86: make 32bit support NO_BOOTMEM Yinghai Lu
2010-01-16 3:06 ` [PATCH 22/37] move round_up/down to kernel.h Yinghai Lu
2010-01-19 17:57 ` Christoph Lameter
2010-01-20 20:01 ` Yinghai Lu
2010-01-20 20:28 ` Yinghai Lu
2010-01-20 20:52 ` Christoph Lameter
2010-01-20 21:02 ` Yinghai Lu
2010-01-26 0:40 ` Andrew Morton
2010-01-26 0:58 ` H. Peter Anvin
2010-01-26 1:26 ` Andrew Morton
2010-01-16 3:06 ` Yinghai Lu [this message]
2010-01-16 3:06 ` [PATCH 24/37] core: move early_res Yinghai Lu
2010-01-16 3:06 ` [PATCH 25/37] ram_buffer_extend_print Yinghai Lu
2010-01-19 17:59 ` Christoph Lameter
2010-01-16 3:06 ` [PATCH 26/37] x86: remove bios data range from e820 Yinghai Lu
2010-01-16 3:06 ` [PATCH 27/37] irq: remove not need bootmem code Yinghai Lu
2010-01-16 3:06 ` [PATCH 28/37] radix: move radix init early Yinghai Lu
2010-01-16 3:07 ` [PATCH 29/37] sparseirq: change irq_desc_ptrs to static Yinghai Lu
2010-01-19 18:01 ` Christoph Lameter
2010-01-20 19:49 ` Yinghai Lu
2010-01-16 3:07 ` [PATCH 30/37] sparseirq: use radix_tree instead of ptrs array Yinghai Lu
2010-01-16 3:07 ` [PATCH 31/37] x86: remove arch_probe_nr_irqs Yinghai Lu
2010-01-16 3:07 ` [PATCH 32/37] x86, apic: Use logical flat on intel with <= 8 logical cpus Yinghai Lu
2010-01-16 3:07 ` [PATCH 33/37] use nr_cpus= to set nr_cpu_ids early Yinghai Lu
2010-01-19 18:03 ` Christoph Lameter
2010-01-20 19:54 ` Yinghai Lu
2010-01-16 3:07 ` [PATCH 34/37] x86: using logical flat for amd cpu too Yinghai Lu
2010-01-16 3:07 ` [PATCH 35/37] x86: according to nr_cpu_ids to decide if need to leave logical flat Yinghai Lu
2010-01-16 3:07 ` [PATCH 36/37] x86: make 32bit apic flat to physflat switch like 64bit Yinghai Lu
2010-01-16 3:07 ` [PATCH 37/37] x86: use num_processors for possible cpus Yinghai Lu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1263611228-6751-24-git-send-email-yinghai@kernel.org \
--to=yinghai@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=cl@linux-foundation.org \
--cc=hpa@zytor.com \
--cc=jbarnes@virtuousgeek.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).