The patch titled
x86: mm: create symbolic index into address_markers array
has been added to the -mm tree. Its filename is
x86-mm-create-symbolic-index-into-address_markers-array.patch
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Subject: x86: mm: create symbolic index into address_markers array
From: Andres Salomon <dilinger@xxxxxxxxxx>
Without this, adding entries into the address_markers array means adding
more and more of an #ifdef maze in pt_dump_init(). By using indices, we
can keep it a bit saner.
Signed-off-by: Andres Salomon <dilinger@xxxxxxxxxx>
Cc: Jordan Crouse <jordan.crouse@xxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/mm/dump_pagetables.c | 32 ++++++++++++++++++++++++++------
1 file changed, 26 insertions(+), 6 deletions(-)
diff -puN arch/x86/mm/dump_pagetables.c~x86-mm-create-symbolic-index-into-address_markers-array arch/x86/mm/dump_pagetables.c
--- a/arch/x86/mm/dump_pagetables.c~x86-mm-create-symbolic-index-into-address_markers-array
+++ a/arch/x86/mm/dump_pagetables.c
@@ -37,6 +37,28 @@ struct addr_marker {
const char *name;
};
+/* indices for address_markers; keep sync'd w/ address_markers below */
+enum address_markers_idx {
+ USER_SPACE_NR = 0,
+#ifdef CONFIG_X86_64
+ KERNEL_SPACE_NR,
+ LOW_KERNEL_NR,
+ VMALLOC_START_NR,
+ VMEMMAP_START_NR,
+ HIGH_KERNEL_NR,
+ MODULES_VADDR_NR,
+ MODULES_END_NR,
+#else
+ KERNEL_SPACE_NR,
+ VMALLOC_START_NR,
+ VMALLOC_END_NR,
+# ifdef CONFIG_HIGHMEM
+ PKMAP_BASE_NR,
+# endif
+ FIXADDR_START_NR,
+#endif
+};
+
/* Address space markers hints */
static struct addr_marker address_markers[] = {
{ 0, "User Space" },
@@ -331,14 +353,12 @@ static int pt_dump_init(void)
#ifdef CONFIG_X86_32
/* Not a compile-time constant on x86-32 */
- address_markers[2].start_address = VMALLOC_START;
- address_markers[3].start_address = VMALLOC_END;
+ address_markers[VMALLOC_START_NR].start_address = VMALLOC_START;
+ address_markers[VMALLOC_END_NR].start_address = VMALLOC_END;
# ifdef CONFIG_HIGHMEM
- address_markers[4].start_address = PKMAP_BASE;
- address_markers[5].start_address = FIXADDR_START;
-# else
- address_markers[4].start_address = FIXADDR_START;
+ address_markers[PKMAP_BASE_NR].start_address = PKMAP_BASE;
# endif
+ address_markers[FIXADDR_START_NR].start_address = FIXADDR_START;
#endif
pe = debugfs_create_file("kernel_page_tables", 0600, NULL, NULL,
_
Patches currently in -mm which might be from dilinger@xxxxxxxxxx are
x86-mm-create-symbolic-index-into-address_markers-array.patch
x86-olpc-add-support-for-calling-into-openfirmware.patch
gxfb-fix-incorrect-__init-annotation.patch
lxfb-fix-incorrect-__init-annotation.patch
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