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authorIngo Molnar <mingo@elte.hu>2008-07-29 00:07:55 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-29 00:07:55 +0200
commitcb28a1bbdb4790378e7366d6c9ee1d2340b84f92 (patch)
tree316436f77dac75335fd2c3ef5f109e71606c50d3 /arch/arm/mm
parentb6d4f7e3ef25beb8c658c97867d98883e69dc544 (diff)
parentf934fb19ef34730263e6afc01e8ec27a8a71470f (diff)
downloadop-kernel-dev-cb28a1bbdb4790378e7366d6c9ee1d2340b84f92.zip
op-kernel-dev-cb28a1bbdb4790378e7366d6c9ee1d2340b84f92.tar.gz
Merge branch 'linus' into core/generic-dma-coherent
Conflicts: arch/x86/Kconfig Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/Makefile2
-rw-r--r--arch/arm/mm/discontig.c34
-rw-r--r--arch/arm/mm/fault-armv.c10
-rw-r--r--arch/arm/mm/init.c2
4 files changed, 26 insertions, 22 deletions
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index f64b925..2e27a8c 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -76,3 +76,5 @@ obj-$(CONFIG_CPU_V7) += proc-v7.o
obj-$(CONFIG_CACHE_FEROCEON_L2) += cache-feroceon-l2.o
obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o
+obj-$(CONFIG_CACHE_XSC3L2) += cache-xsc3l2.o
+
diff --git a/arch/arm/mm/discontig.c b/arch/arm/mm/discontig.c
index 1e56021..c8c0c4b 100644
--- a/arch/arm/mm/discontig.c
+++ b/arch/arm/mm/discontig.c
@@ -21,26 +21,24 @@
* Our node_data structure for discontiguous memory.
*/
-static bootmem_data_t node_bootmem_data[MAX_NUMNODES];
-
pg_data_t discontig_node_data[MAX_NUMNODES] = {
- { .bdata = &node_bootmem_data[0] },
- { .bdata = &node_bootmem_data[1] },
- { .bdata = &node_bootmem_data[2] },
- { .bdata = &node_bootmem_data[3] },
+ { .bdata = &bootmem_node_data[0] },
+ { .bdata = &bootmem_node_data[1] },
+ { .bdata = &bootmem_node_data[2] },
+ { .bdata = &bootmem_node_data[3] },
#if MAX_NUMNODES == 16
- { .bdata = &node_bootmem_data[4] },
- { .bdata = &node_bootmem_data[5] },
- { .bdata = &node_bootmem_data[6] },
- { .bdata = &node_bootmem_data[7] },
- { .bdata = &node_bootmem_data[8] },
- { .bdata = &node_bootmem_data[9] },
- { .bdata = &node_bootmem_data[10] },
- { .bdata = &node_bootmem_data[11] },
- { .bdata = &node_bootmem_data[12] },
- { .bdata = &node_bootmem_data[13] },
- { .bdata = &node_bootmem_data[14] },
- { .bdata = &node_bootmem_data[15] },
+ { .bdata = &bootmem_node_data[4] },
+ { .bdata = &bootmem_node_data[5] },
+ { .bdata = &bootmem_node_data[6] },
+ { .bdata = &bootmem_node_data[7] },
+ { .bdata = &bootmem_node_data[8] },
+ { .bdata = &bootmem_node_data[9] },
+ { .bdata = &bootmem_node_data[10] },
+ { .bdata = &bootmem_node_data[11] },
+ { .bdata = &bootmem_node_data[12] },
+ { .bdata = &bootmem_node_data[13] },
+ { .bdata = &bootmem_node_data[14] },
+ { .bdata = &bootmem_node_data[15] },
#endif
};
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index fbfa260..a8ec97b 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -37,7 +37,7 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte, entry;
- int ret = 0;
+ int ret;
pgd = pgd_offset(vma->vm_mm, address);
if (pgd_none(*pgd))
@@ -55,15 +55,19 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
entry = *pte;
/*
+ * If this page is present, it's actually being shared.
+ */
+ ret = pte_present(entry);
+
+ /*
* If this page isn't present, or is already setup to
* fault (ie, is old), we can safely ignore any issues.
*/
- if (pte_present(entry) && pte_val(entry) & shared_pte_mask) {
+ if (ret && pte_val(entry) & shared_pte_mask) {
flush_cache_page(vma, address, pte_pfn(entry));
pte_val(entry) &= ~shared_pte_mask;
set_pte_at(vma->vm_mm, address, pte, entry);
flush_tlb_page(vma, address);
- ret = 1;
}
pte_unmap(pte);
return ret;
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index b657f17..e635294 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -284,7 +284,7 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
*/
arch_adjust_zones(node, zone_size, zhole_size);
- free_area_init_node(node, pgdat, zone_size, start_pfn, zhole_size);
+ free_area_init_node(node, zone_size, start_pfn, zhole_size);
return end_pfn;
}
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