This patch adds a no panic option for low bootmem allocs. This will
allow for a more graceful handling of "out of memory" for those
callers who wish to handle it.
Thanks,
Jon
Signed-off-by: Jon Mason <[email protected]>
diff -r 307c5ac10c26 include/linux/bootmem.h
--- a/include/linux/bootmem.h Sat Apr 22 12:21:45 2006
+++ b/include/linux/bootmem.h Mon Apr 24 09:59:50 2006
@@ -46,6 +46,7 @@
extern void __init free_bootmem (unsigned long addr, unsigned long size);
extern void * __init __alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal);
extern void * __init __alloc_bootmem_nopanic (unsigned long size, unsigned long align, unsigned long goal);
+extern void * __init __alloc_bootmem_low_nopanic(unsigned long size, unsigned long align, unsigned long goal);
extern void * __init __alloc_bootmem_low(unsigned long size,
unsigned long align,
unsigned long goal);
diff -r 307c5ac10c26 mm/bootmem.c
--- a/mm/bootmem.c Sat Apr 22 12:21:45 2006
+++ b/mm/bootmem.c Mon Apr 24 09:59:50 2006
@@ -463,3 +463,16 @@
{
return __alloc_bootmem_core(pgdat->bdata, size, align, goal, LOW32LIMIT);
}
+
+void * __init __alloc_bootmem_low_nopanic(unsigned long size,
+ unsigned long align, unsigned long goal)
+{
+ bootmem_data_t *bdata;
+ void *ptr;
+
+ list_for_each_entry(bdata, &bdata_list, list)
+ if ((ptr = __alloc_bootmem_core(bdata, size, align, goal,
+ LOW32LIMIT)))
+ return(ptr);
+ return NULL;
+}
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
