x86: increase the number of boot-mappings

increase max early_ioremap() remapping size from 64K to 256K.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/include/asm-x86/fixmap_32.h b/include/asm-x86/fixmap_32.h
index 0e99021..46bedb7 100644 (file)
--- a/include/asm-x86/fixmap_32.h
+++ b/include/asm-x86/fixmap_32.h
@@ -91,7 +91,7 @@ enum fixed_addresses {
 #endif
        __end_of_permanent_fixed_addresses,
        /* temporary boot-time mappings, used before ioremap() is functional */
-#define NR_FIX_BTMAPS          16
+#define NR_FIX_BTMAPS          64
 #define FIX_BTMAPS_NESTING     4
        FIX_BTMAP_END = __end_of_permanent_fixed_addresses,
        FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_NESTING - 1,