diff options
author | David Woodhouse <dwmw2@infradead.org> | 2006-05-24 04:22:21 -0400 |
---|---|---|
committer | David Woodhouse <dwmw2@infradead.org> | 2006-05-24 04:22:21 -0400 |
commit | 66643de455c27973ac31ad6de9f859d399916842 (patch) | |
tree | 7ebed7f051879007d4b11d6aaa9e65a1bcb0b08f /arch/x86_64/mm | |
parent | 2c23d62abb820e19c54012520f08a198c2233a85 (diff) | |
parent | 387e2b0439026aa738a9edca15a57e5c0bcb4dfc (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
include/asm-powerpc/unistd.h
include/asm-sparc/unistd.h
include/asm-sparc64/unistd.h
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'arch/x86_64/mm')
-rw-r--r-- | arch/x86_64/mm/srat.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index 15ae9fcd65a7..e1513532df29 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c | |||
@@ -34,7 +34,10 @@ static nodemask_t nodes_found __initdata; | |||
34 | static struct bootnode nodes[MAX_NUMNODES] __initdata; | 34 | static struct bootnode nodes[MAX_NUMNODES] __initdata; |
35 | static struct bootnode nodes_add[MAX_NUMNODES] __initdata; | 35 | static struct bootnode nodes_add[MAX_NUMNODES] __initdata; |
36 | static int found_add_area __initdata; | 36 | static int found_add_area __initdata; |
37 | int hotadd_percent __initdata = 10; | 37 | int hotadd_percent __initdata = 0; |
38 | #ifndef RESERVE_HOTADD | ||
39 | #define hotadd_percent 0 /* Ignore all settings */ | ||
40 | #endif | ||
38 | static u8 pxm2node[256] = { [0 ... 255] = 0xff }; | 41 | static u8 pxm2node[256] = { [0 ... 255] = 0xff }; |
39 | 42 | ||
40 | /* Too small nodes confuse the VM badly. Usually they result | 43 | /* Too small nodes confuse the VM badly. Usually they result |
@@ -103,6 +106,7 @@ static __init void bad_srat(void) | |||
103 | int i; | 106 | int i; |
104 | printk(KERN_ERR "SRAT: SRAT not used.\n"); | 107 | printk(KERN_ERR "SRAT: SRAT not used.\n"); |
105 | acpi_numa = -1; | 108 | acpi_numa = -1; |
109 | found_add_area = 0; | ||
106 | for (i = 0; i < MAX_LOCAL_APIC; i++) | 110 | for (i = 0; i < MAX_LOCAL_APIC; i++) |
107 | apicid_to_node[i] = NUMA_NO_NODE; | 111 | apicid_to_node[i] = NUMA_NO_NODE; |
108 | for (i = 0; i < MAX_NUMNODES; i++) | 112 | for (i = 0; i < MAX_NUMNODES; i++) |
@@ -154,7 +158,8 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa) | |||
154 | int pxm, node; | 158 | int pxm, node; |
155 | if (srat_disabled()) | 159 | if (srat_disabled()) |
156 | return; | 160 | return; |
157 | if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) { bad_srat(); | 161 | if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) { |
162 | bad_srat(); | ||
158 | return; | 163 | return; |
159 | } | 164 | } |
160 | if (pa->flags.enabled == 0) | 165 | if (pa->flags.enabled == 0) |
@@ -191,15 +196,17 @@ static int hotadd_enough_memory(struct bootnode *nd) | |||
191 | allowed = (end_pfn - e820_hole_size(0, end_pfn)) * PAGE_SIZE; | 196 | allowed = (end_pfn - e820_hole_size(0, end_pfn)) * PAGE_SIZE; |
192 | allowed = (allowed / 100) * hotadd_percent; | 197 | allowed = (allowed / 100) * hotadd_percent; |
193 | if (allocated + mem > allowed) { | 198 | if (allocated + mem > allowed) { |
199 | unsigned long range; | ||
194 | /* Give them at least part of their hotadd memory upto hotadd_percent | 200 | /* Give them at least part of their hotadd memory upto hotadd_percent |
195 | It would be better to spread the limit out | 201 | It would be better to spread the limit out |
196 | over multiple hotplug areas, but that is too complicated | 202 | over multiple hotplug areas, but that is too complicated |
197 | right now */ | 203 | right now */ |
198 | if (allocated >= allowed) | 204 | if (allocated >= allowed) |
199 | return 0; | 205 | return 0; |
200 | pages = (allowed - allocated + mem) / sizeof(struct page); | 206 | range = allowed - allocated; |
207 | pages = (range / PAGE_SIZE); | ||
201 | mem = pages * sizeof(struct page); | 208 | mem = pages * sizeof(struct page); |
202 | nd->end = nd->start + pages*PAGE_SIZE; | 209 | nd->end = nd->start + range; |
203 | } | 210 | } |
204 | /* Not completely fool proof, but a good sanity check */ | 211 | /* Not completely fool proof, but a good sanity check */ |
205 | addr = find_e820_area(last_area_end, end_pfn<<PAGE_SHIFT, mem); | 212 | addr = find_e820_area(last_area_end, end_pfn<<PAGE_SHIFT, mem); |