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[S390] vt220 console: convert from bootmem to slab 

The slab allocator is earlier available so convert the
bootmem allocations to slab/gfp allocations.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2009-06-22 12:08:07 +02:00 committed by Martin Schwidefsky
parent 4c8f4794b6
commit 5c0792f692
1 changed files with 5 additions and 13 deletions
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18
drivers/s390/char/sclp_vt220.c
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@ -20,7 +20,6 @@
#include <linux/major.h> #include <linux/major.h>
#include <linux/console.h> #include <linux/console.h>
#include <linux/kdev_t.h> #include <linux/kdev_t.h>
#include <linux/bootmem.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/reboot.h> #include <linux/reboot.h>
@ -601,10 +600,7 @@ static void __init __sclp_vt220_free_pages(void)
list_for_each_safe(page, p, &sclp_vt220_empty) { list_for_each_safe(page, p, &sclp_vt220_empty) {
list_del(page); list_del(page);
if (slab_is_available()) free_page((unsigned long) page);
free_page((unsigned long) page);
else
free_bootmem((unsigned long) page, PAGE_SIZE);
} }
} }
@ -640,16 +636,12 @@ static int __init __sclp_vt220_init(int num_pages)
sclp_vt220_flush_later = 0; sclp_vt220_flush_later = 0;
/* Allocate pages for output buffering */ /* Allocate pages for output buffering */
rc = -ENOMEM;
for (i = 0; i < num_pages; i++) { for (i = 0; i < num_pages; i++) {
if (slab_is_available()) page = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
page = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!page)
else
page = alloc_bootmem_low_pages(PAGE_SIZE);
if (!page) {
rc = -ENOMEM;
goto out; goto out;
} list_add_tail(page, &sclp_vt220_empty);
list_add_tail((struct list_head *) page, &sclp_vt220_empty);
} }
rc = sclp_register(&sclp_vt220_register); rc = sclp_register(&sclp_vt220_register);
out: out: