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authorIngo Molnar <mingo@elte.hu>2008-06-16 05:20:28 -0400
committerIngo Molnar <mingo@elte.hu>2008-06-16 05:20:28 -0400
commitfaeca31d068090285b77c39574d2bda14b079c50 (patch)
tree789841a7f0d336b24a74f2191542a2eb8177c8fa /arch/x86/mm
parent499f8f84b8324ba27d756e03f373fa16eeed9ccc (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into x86/pat
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/fault.c5
-rw-r--r--arch/x86/mm/init_64.c6
-rw-r--r--arch/x86/mm/ioremap.c5
-rw-r--r--arch/x86/mm/pat.c2
-rw-r--r--arch/x86/mm/srat_64.c27
5 files changed, 12 insertions, 33 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index fd7e1798c75a..8bcb6f40ccb6 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -497,6 +497,11 @@ static int vmalloc_fault(unsigned long address)
497 unsigned long pgd_paddr; 497 unsigned long pgd_paddr;
498 pmd_t *pmd_k; 498 pmd_t *pmd_k;
499 pte_t *pte_k; 499 pte_t *pte_k;
500
501 /* Make sure we are in vmalloc area */
502 if (!(address >= VMALLOC_START && address < VMALLOC_END))
503 return -1;
504
500 /* 505 /*
501 * Synchronize this task's top level page-table 506 * Synchronize this task's top level page-table
502 * with the 'reference' page table. 507 * with the 'reference' page table.
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 32ba13b0f818..156e6d7b0e32 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -206,7 +206,7 @@ void __init cleanup_highmap(void)
206 pmd_t *last_pmd = pmd + PTRS_PER_PMD; 206 pmd_t *last_pmd = pmd + PTRS_PER_PMD;
207 207
208 for (; pmd < last_pmd; pmd++, vaddr += PMD_SIZE) { 208 for (; pmd < last_pmd; pmd++, vaddr += PMD_SIZE) {
209 if (!pmd_present(*pmd)) 209 if (pmd_none(*pmd))
210 continue; 210 continue;
211 if (vaddr < (unsigned long) _text || vaddr > end) 211 if (vaddr < (unsigned long) _text || vaddr > end)
212 set_pmd(pmd, __pmd(0)); 212 set_pmd(pmd, __pmd(0));
@@ -506,7 +506,7 @@ early_param("memtest", parse_memtest);
506 506
507static void __init early_memtest(unsigned long start, unsigned long end) 507static void __init early_memtest(unsigned long start, unsigned long end)
508{ 508{
509 unsigned long t_start, t_size; 509 u64 t_start, t_size;
510 unsigned pattern; 510 unsigned pattern;
511 511
512 if (!memtest_pattern) 512 if (!memtest_pattern)
@@ -525,7 +525,7 @@ static void __init early_memtest(unsigned long start, unsigned long end)
525 if (t_start + t_size > end) 525 if (t_start + t_size > end)
526 t_size = end - t_start; 526 t_size = end - t_start;
527 527
528 printk(KERN_CONT "\n %016lx - %016lx pattern %d", 528 printk(KERN_CONT "\n %016llx - %016llx pattern %d",
529 t_start, t_start + t_size, pattern); 529 t_start, t_start + t_size, pattern);
530 530
531 memtest(t_start, t_size, pattern); 531 memtest(t_start, t_size, pattern);
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index ddeafed1171e..7452eb31ed12 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -593,10 +593,11 @@ void __init early_iounmap(void *addr, unsigned long size)
593 unsigned long offset; 593 unsigned long offset;
594 unsigned int nrpages; 594 unsigned int nrpages;
595 enum fixed_addresses idx; 595 enum fixed_addresses idx;
596 unsigned int nesting; 596 int nesting;
597 597
598 nesting = --early_ioremap_nested; 598 nesting = --early_ioremap_nested;
599 WARN_ON(nesting < 0); 599 if (WARN_ON(nesting < 0))
600 return;
600 601
601 if (early_ioremap_debug) { 602 if (early_ioremap_debug) {
602 printk(KERN_INFO "early_iounmap(%p, %08lx) [%d]\n", addr, 603 printk(KERN_INFO "early_iounmap(%p, %08lx) [%d]\n", addr,
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 4beccea0897f..7c21572bbdda 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -34,7 +34,7 @@ void __cpuinit pat_disable(char *reason)
34 printk(KERN_INFO "%s\n", reason); 34 printk(KERN_INFO "%s\n", reason);
35} 35}
36 36
37static int nopat(char *str) 37static int __init nopat(char *str)
38{ 38{
39 pat_disable("PAT support disabled."); 39 pat_disable("PAT support disabled.");
40 return 0; 40 return 0;
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index 3890234e5b26..99649dccad28 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -97,36 +97,9 @@ static __init inline int srat_disabled(void)
97 return numa_off || acpi_numa < 0; 97 return numa_off || acpi_numa < 0;
98} 98}
99 99
100/*
101 * A lot of BIOS fill in 10 (= no distance) everywhere. This messes
102 * up the NUMA heuristics which wants the local node to have a smaller
103 * distance than the others.
104 * Do some quick checks here and only use the SLIT if it passes.
105 */
106static __init int slit_valid(struct acpi_table_slit *slit)
107{
108 int i, j;
109 int d = slit->locality_count;
110 for (i = 0; i < d; i++) {
111 for (j = 0; j < d; j++) {
112 u8 val = slit->entry[d*i + j];
113 if (i == j) {
114 if (val != LOCAL_DISTANCE)
115 return 0;
116 } else if (val <= LOCAL_DISTANCE)
117 return 0;
118 }
119 }
120 return 1;
121}
122
123/* Callback for SLIT parsing */ 100/* Callback for SLIT parsing */
124void __init acpi_numa_slit_init(struct acpi_table_slit *slit) 101void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
125{ 102{
126 if (!slit_valid(slit)) {
127 printk(KERN_INFO "ACPI: SLIT table looks invalid. Not used.\n");
128 return;
129 }
130 acpi_slit = slit; 103 acpi_slit = slit;
131} 104}
132 105