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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-28 14:03:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-28 14:03:14 -0700
commit0fe41b8982001cd14ee2c77cd776735a5024e98b (patch)
tree83e65d595c413d55259ea14fb97748ce5efe5707 /arch/arm/mm/init.c
parenteedf2c5296a8dfaaf9aec1a938c1d3bd73159a30 (diff)
parent9759d22c8348343b0da4e25d6150c41712686c14 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (422 commits) [ARM] 5435/1: fix compile warning in sanity_check_meminfo() [ARM] 5434/1: ARM: OMAP: Fix mailbox compile for 24xx [ARM] pxa: fix the bad assumption that PCMCIA sockets always start with 0 [ARM] pxa: fix Colibri PXA300 and PXA320 LCD backlight pins imxfb: Fix TFT mode i.MX21/27: remove ifdef CONFIG_FB_IMX imxfb: add clock support mxc: add arch_reset() function clkdev: add possibility to get a clock based on the device name i.MX1: remove fb support from mach-imx [ARM] pxa: build arch/arm/plat-pxa/mfp.c only when PXA3xx or ARCH_MMP defined Gemini: Add support for Teltonika RUT100 Gemini: gpiolib based GPIO support v2 MAINTAINERS: add myself as Gemini architecture maintainer ARM: Add Gemini architecture v3 [ARM] OMAP: Fix compile for omap2_init_common_hw() MAINTAINERS: Add myself as Faraday ARM core variant maintainer ARM: Add support for FA526 v2 [ARM] acorn,ebsa110,footbridge,integrator,sa1100: Convert asm/io.h to linux/io.h [ARM] collie: fix two minor formatting nits ...
Diffstat (limited to 'arch/arm/mm/init.c')
-rw-r--r--arch/arm/mm/init.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 80fd3b69ae1..8277802ec85 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -15,6 +15,7 @@
#include <linux/mman.h>
#include <linux/nodemask.h>
#include <linux/initrd.h>
+#include <linux/highmem.h>
#include <asm/mach-types.h>
#include <asm/sections.h>
@@ -485,7 +486,7 @@ void __init mem_init(void)
int i, node;
#ifndef CONFIG_DISCONTIGMEM
- max_mapnr = virt_to_page(high_memory) - mem_map;
+ max_mapnr = pfn_to_page(max_pfn + PHYS_PFN_OFFSET) - mem_map;
#endif
/* this will put all unused low memory onto the freelists */
@@ -504,6 +505,19 @@ void __init mem_init(void)
__phys_to_pfn(__pa(swapper_pg_dir)), NULL);
#endif
+#ifdef CONFIG_HIGHMEM
+ /* set highmem page free */
+ for_each_online_node(node) {
+ for_each_nodebank (i, &meminfo, node) {
+ unsigned long start = bank_pfn_start(&meminfo.bank[i]);
+ unsigned long end = bank_pfn_end(&meminfo.bank[i]);
+ if (start >= max_low_pfn + PHYS_PFN_OFFSET)
+ totalhigh_pages += free_area(start, end, NULL);
+ }
+ }
+ totalram_pages += totalhigh_pages;
+#endif
+
/*
* Since our memory may not be contiguous, calculate the
* real number of pages we have in this system
@@ -521,9 +535,10 @@ void __init mem_init(void)
initsize = __init_end - __init_begin;
printk(KERN_NOTICE "Memory: %luKB available (%dK code, "
- "%dK data, %dK init)\n",
+ "%dK data, %dK init, %luK highmem)\n",
(unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
- codesize >> 10, datasize >> 10, initsize >> 10);
+ codesize >> 10, datasize >> 10, initsize >> 10,
+ (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
if (PAGE_SIZE >= 16384 && num_physpages <= 128) {
extern int sysctl_overcommit_memory;