leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

s390/setup: cleanup reserve/remove_oldmem

Browse Source 
Since OLDMEM_BASE/OLDMEM_SIZE is already taken into consideration and is
reflected in ident_map_size. reserve/remove_oldmem() is no longer needed
and could be removed.

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Vasily Gorbik 2020-10-08 15:07:27 +02:00
parent 0c4f2623b9
commit 6a9100ad13
1 changed files with 0 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
arch/s390/kernel/setup.c
View File

@ -585,30 +585,6 @@ static void __init reserve_above_ident_map(void)
memblock_reserve(ident_map_size, ULONG_MAX);
}
/*
* Make sure that oldmem, where the dump is stored, is protected
*/
static void __init reserve_oldmem(void)
{
#ifdef CONFIG_CRASH_DUMP
if (OLDMEM_BASE)
/* Forget all memory above the running kdump system */
memblock_reserve(OLDMEM_SIZE, (phys_addr_t)ULONG_MAX);
#endif
}
/*
* Make sure that oldmem, where the dump is stored, is protected
*/
static void __init remove_oldmem(void)
{
#ifdef CONFIG_CRASH_DUMP
if (OLDMEM_BASE)
/* Forget all memory above the running kdump system */
memblock_remove(OLDMEM_SIZE, (phys_addr_t)ULONG_MAX);
#endif
}
/*
* Reserve memory for kdump kernel to be loaded with kexec
*/
@ -1074,7 +1050,6 @@ void __init setup_arch(char **cmdline_p)
/* Do some memory reservations *before* memory is added to memblock */
reserve_above_ident_map();
reserve_oldmem();
reserve_kernel();
reserve_initrd();
reserve_certificate_list();
@ -1085,7 +1060,6 @@ void __init setup_arch(char **cmdline_p)
memblock_add_mem_detect_info();
free_mem_detect_info();
remove_oldmem();
setup_uv();
setup_memory_end();