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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-28 17:03:14 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-28 17:03:14 -0400
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 80fd3b69ae1f..8277802ec859 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -15,6 +15,7 @@
15#include <linux/mman.h> 15#include <linux/mman.h>
16#include <linux/nodemask.h> 16#include <linux/nodemask.h>
17#include <linux/initrd.h> 17#include <linux/initrd.h>
18#include <linux/highmem.h>
18 19
19#include <asm/mach-types.h> 20#include <asm/mach-types.h>
20#include <asm/sections.h> 21#include <asm/sections.h>
@@ -485,7 +486,7 @@ void __init mem_init(void)
485 int i, node; 486 int i, node;
486 487
487#ifndef CONFIG_DISCONTIGMEM 488#ifndef CONFIG_DISCONTIGMEM
488 max_mapnr = virt_to_page(high_memory) - mem_map; 489 max_mapnr = pfn_to_page(max_pfn + PHYS_PFN_OFFSET) - mem_map;
489#endif 490#endif
490 491
491 /* this will put all unused low memory onto the freelists */ 492 /* this will put all unused low memory onto the freelists */
@@ -504,6 +505,19 @@ void __init mem_init(void)
504 __phys_to_pfn(__pa(swapper_pg_dir)), NULL); 505 __phys_to_pfn(__pa(swapper_pg_dir)), NULL);
505#endif 506#endif
506 507
508#ifdef CONFIG_HIGHMEM
509 /* set highmem page free */
510 for_each_online_node(node) {
511 for_each_nodebank (i, &meminfo, node) {
512 unsigned long start = bank_pfn_start(&meminfo.bank[i]);
513 unsigned long end = bank_pfn_end(&meminfo.bank[i]);
514 if (start >= max_low_pfn + PHYS_PFN_OFFSET)
515 totalhigh_pages += free_area(start, end, NULL);
516 }
517 }
518 totalram_pages += totalhigh_pages;
519#endif
520
507 /* 521 /*
508 * Since our memory may not be contiguous, calculate the 522 * Since our memory may not be contiguous, calculate the
509 * real number of pages we have in this system 523 * real number of pages we have in this system
@@ -521,9 +535,10 @@ void __init mem_init(void)
521 initsize = __init_end - __init_begin; 535 initsize = __init_end - __init_begin;
522 536
523 printk(KERN_NOTICE "Memory: %luKB available (%dK code, " 537 printk(KERN_NOTICE "Memory: %luKB available (%dK code, "
524 "%dK data, %dK init)\n", 538 "%dK data, %dK init, %luK highmem)\n",
525 (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), 539 (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
526 codesize >> 10, datasize >> 10, initsize >> 10); 540 codesize >> 10, datasize >> 10, initsize >> 10,
541 (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
527 542
528 if (PAGE_SIZE >= 16384 && num_physpages <= 128) { 543 if (PAGE_SIZE >= 16384 && num_physpages <= 128) {
529 extern int sysctl_overcommit_memory; 544 extern int sysctl_overcommit_memory;