mm: nobootmem: remove bootmem allocation APIs
The bootmem compatibility APIs are not used and can be removed. Link: http://lkml.kernel.org/r/1536927045-23536-23-git-send-email-rppt@linux.vnet.ibm.com Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Ingo Molnar <mingo@redhat.com> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Jonas Bonn <jonas@southpole.se> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ley Foon Tan <lftan@altera.com> Cc: Mark Salter <msalter@redhat.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Paul Burton <paul.burton@mips.com> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Serge Semin <fancer.lancer@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>hifive-unleashed-5.1
Mike Rapoport
Linus Torvalds
parent
2a5bda5a62
commit
6c7835f8d0
|
|
@ -36,33 +36,6 @@ extern void free_bootmem_node(pg_data_t *pgdat,
|
|||
extern void free_bootmem(unsigned long physaddr, unsigned long size);
|
||||
extern void free_bootmem_late(unsigned long physaddr, unsigned long size);
|
||||
|
||||
extern void *__alloc_bootmem(unsigned long size,
|
||||
unsigned long align,
|
||||
unsigned long goal);
|
||||
extern void *__alloc_bootmem_nopanic(unsigned long size,
|
||||
unsigned long align,
|
||||
unsigned long goal) __malloc;
|
||||
extern void *__alloc_bootmem_node(pg_data_t *pgdat,
|
||||
unsigned long size,
|
||||
unsigned long align,
|
||||
unsigned long goal) __malloc;
|
||||
void *__alloc_bootmem_node_high(pg_data_t *pgdat,
|
||||
unsigned long size,
|
||||
unsigned long align,
|
||||
unsigned long goal) __malloc;
|
||||
extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat,
|
||||
unsigned long size,
|
||||
unsigned long align,
|
||||
unsigned long goal) __malloc;
|
||||
void *___alloc_bootmem_node_nopanic(pg_data_t *pgdat,
|
||||
unsigned long size,
|
||||
unsigned long align,
|
||||
unsigned long goal,
|
||||
unsigned long limit) __malloc;
|
||||
extern void *__alloc_bootmem_low(unsigned long size,
|
||||
unsigned long align,
|
||||
unsigned long goal) __malloc;
|
||||
|
||||
/* We are using top down, so it is safe to use 0 here */
|
||||
#define BOOTMEM_LOW_LIMIT 0
|
||||
|
||||
|
|
@ -70,26 +43,6 @@ extern void *__alloc_bootmem_low(unsigned long size,
|
|||
#define ARCH_LOW_ADDRESS_LIMIT 0xffffffffUL
|
||||
#endif
|
||||
|
||||
#define alloc_bootmem(x) \
|
||||
__alloc_bootmem(x, SMP_CACHE_BYTES, BOOTMEM_LOW_LIMIT)
|
||||
#define alloc_bootmem_align(x, align) \
|
||||
__alloc_bootmem(x, align, BOOTMEM_LOW_LIMIT)
|
||||
#define alloc_bootmem_pages(x) \
|
||||
__alloc_bootmem(x, PAGE_SIZE, BOOTMEM_LOW_LIMIT)
|
||||
#define alloc_bootmem_pages_nopanic(x) \
|
||||
__alloc_bootmem_nopanic(x, PAGE_SIZE, BOOTMEM_LOW_LIMIT)
|
||||
#define alloc_bootmem_node(pgdat, x) \
|
||||
__alloc_bootmem_node(pgdat, x, SMP_CACHE_BYTES, BOOTMEM_LOW_LIMIT)
|
||||
#define alloc_bootmem_node_nopanic(pgdat, x) \
|
||||
__alloc_bootmem_node_nopanic(pgdat, x, SMP_CACHE_BYTES, BOOTMEM_LOW_LIMIT)
|
||||
#define alloc_bootmem_pages_node(pgdat, x) \
|
||||
__alloc_bootmem_node(pgdat, x, PAGE_SIZE, BOOTMEM_LOW_LIMIT)
|
||||
|
||||
#define alloc_bootmem_low(x) \
|
||||
__alloc_bootmem_low(x, SMP_CACHE_BYTES, 0)
|
||||
#define alloc_bootmem_low_pages(x) \
|
||||
__alloc_bootmem_low(x, PAGE_SIZE, 0)
|
||||
|
||||
/* FIXME: use MEMBLOCK_ALLOC_* variants here */
|
||||
#define BOOTMEM_ALLOC_ACCESSIBLE 0
|
||||
#define BOOTMEM_ALLOC_ANYWHERE (~(phys_addr_t)0)
|
||||
|
|
|
|||
224
mm/nobootmem.c
224
mm/nobootmem.c
|
|
@ -33,41 +33,6 @@ unsigned long min_low_pfn;
|
|||
unsigned long max_pfn;
|
||||
unsigned long long max_possible_pfn;
|
||||
|
||||
static void * __init __alloc_memory_core_early(int nid, u64 size, u64 align,
|
||||
u64 goal, u64 limit)
|
||||
{
|
||||
void *ptr;
|
||||
u64 addr;
|
||||
enum memblock_flags flags = choose_memblock_flags();
|
||||
|
||||
if (limit > memblock.current_limit)
|
||||
limit = memblock.current_limit;
|
||||
|
||||
again:
|
||||
addr = memblock_find_in_range_node(size, align, goal, limit, nid,
|
||||
flags);
|
||||
if (!addr && (flags & MEMBLOCK_MIRROR)) {
|
||||
flags &= ~MEMBLOCK_MIRROR;
|
||||
pr_warn("Could not allocate %pap bytes of mirrored memory\n",
|
||||
&size);
|
||||
goto again;
|
||||
}
|
||||
if (!addr)
|
||||
return NULL;
|
||||
|
||||
if (memblock_reserve(addr, size))
|
||||
return NULL;
|
||||
|
||||
ptr = phys_to_virt(addr);
|
||||
memset(ptr, 0, size);
|
||||
/*
|
||||
* The min_count is set to 0 so that bootmem allocated blocks
|
||||
* are never reported as leaks.
|
||||
*/
|
||||
kmemleak_alloc(ptr, size, 0, 0);
|
||||
return ptr;
|
||||
}
|
||||
|
||||
/**
|
||||
* free_bootmem_late - free bootmem pages directly to page allocator
|
||||
* @addr: starting address of the range
|
||||
|
|
@ -215,192 +180,3 @@ void __init free_bootmem(unsigned long addr, unsigned long size)
|
|||
{
|
||||
memblock_free(addr, size);
|
||||
}
|
||||
|
||||
static void * __init ___alloc_bootmem_nopanic(unsigned long size,
|
||||
unsigned long align,
|
||||
unsigned long goal,
|
||||
unsigned long limit)
|
||||
{
|
||||
void *ptr;
|
||||
|
||||
if (WARN_ON_ONCE(slab_is_available()))
|
||||
return kzalloc(size, GFP_NOWAIT);
|
||||
|
||||
restart:
|
||||
|
||||
ptr = __alloc_memory_core_early(NUMA_NO_NODE, size, align, goal, limit);
|
||||
|
||||
if (ptr)
|
||||
return ptr;
|
||||
|
||||
if (goal != 0) {
|
||||
goal = 0;
|
||||
goto restart;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* __alloc_bootmem_nopanic - allocate boot memory without panicking
|
||||
* @size: size of the request in bytes
|
||||
* @align: alignment of the region
|
||||
* @goal: preferred starting address of the region
|
||||
*
|
||||
* The goal is dropped if it can not be satisfied and the allocation will
|
||||
* fall back to memory below @goal.
|
||||
*
|
||||
* Allocation may happen on any node in the system.
|
||||
*
|
||||
* Return: address of the allocated region or %NULL on failure.
|
||||
*/
|
||||
void * __init __alloc_bootmem_nopanic(unsigned long size, unsigned long align,
|
||||
unsigned long goal)
|
||||
{
|
||||
unsigned long limit = -1UL;
|
||||
|
||||
return ___alloc_bootmem_nopanic(size, align, goal, limit);
|
||||
}
|
||||
|
||||
static void * __init ___alloc_bootmem(unsigned long size, unsigned long align,
|
||||
unsigned long goal, unsigned long limit)
|
||||
{
|
||||
void *mem = ___alloc_bootmem_nopanic(size, align, goal, limit);
|
||||
|
||||
if (mem)
|
||||
return mem;
|
||||
/*
|
||||
* Whoops, we cannot satisfy the allocation request.
|
||||
*/
|
||||
pr_alert("bootmem alloc of %lu bytes failed!\n", size);
|
||||
panic("Out of memory");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* __alloc_bootmem - allocate boot memory
|
||||
* @size: size of the request in bytes
|
||||
* @align: alignment of the region
|
||||
* @goal: preferred starting address of the region
|
||||
*
|
||||
* The goal is dropped if it can not be satisfied and the allocation will
|
||||
* fall back to memory below @goal.
|
||||
*
|
||||
* Allocation may happen on any node in the system.
|
||||
*
|
||||
* The function panics if the request can not be satisfied.
|
||||
*
|
||||
* Return: address of the allocated region.
|
||||
*/
|
||||
void * __init __alloc_bootmem(unsigned long size, unsigned long align,
|
||||
unsigned long goal)
|
||||
{
|
||||
unsigned long limit = -1UL;
|
||||
|
||||
return ___alloc_bootmem(size, align, goal, limit);
|
||||
}
|
||||
|
||||
void * __init ___alloc_bootmem_node_nopanic(pg_data_t *pgdat,
|
||||
unsigned long size,
|
||||
unsigned long align,
|
||||
unsigned long goal,
|
||||
unsigned long limit)
|
||||
{
|
||||
void *ptr;
|
||||
|
||||
again:
|
||||
ptr = __alloc_memory_core_early(pgdat->node_id, size, align,
|
||||
goal, limit);
|
||||
if (ptr)
|
||||
return ptr;
|
||||
|
||||
ptr = __alloc_memory_core_early(NUMA_NO_NODE, size, align,
|
||||
goal, limit);
|
||||
if (ptr)
|
||||
return ptr;
|
||||
|
||||
if (goal) {
|
||||
goal = 0;
|
||||
goto again;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
|
||||
unsigned long align, unsigned long goal)
|
||||
{
|
||||
if (WARN_ON_ONCE(slab_is_available()))
|
||||
return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
|
||||
|
||||
return ___alloc_bootmem_node_nopanic(pgdat, size, align, goal, 0);
|
||||
}
|
||||
|
||||
static void * __init ___alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
|
||||
unsigned long align, unsigned long goal,
|
||||
unsigned long limit)
|
||||
{
|
||||
void *ptr;
|
||||
|
||||
ptr = ___alloc_bootmem_node_nopanic(pgdat, size, align, goal, limit);
|
||||
if (ptr)
|
||||
return ptr;
|
||||
|
||||
pr_alert("bootmem alloc of %lu bytes failed!\n", size);
|
||||
panic("Out of memory");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* __alloc_bootmem_node - allocate boot memory from a specific node
|
||||
* @pgdat: node to allocate from
|
||||
* @size: size of the request in bytes
|
||||
* @align: alignment of the region
|
||||
* @goal: preferred starting address of the region
|
||||
*
|
||||
* The goal is dropped if it can not be satisfied and the allocation will
|
||||
* fall back to memory below @goal.
|
||||
*
|
||||
* Allocation may fall back to any node in the system if the specified node
|
||||
* can not hold the requested memory.
|
||||
*
|
||||
* The function panics if the request can not be satisfied.
|
||||
*
|
||||
* Return: address of the allocated region.
|
||||
*/
|
||||
void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
|
||||
unsigned long align, unsigned long goal)
|
||||
{
|
||||
if (WARN_ON_ONCE(slab_is_available()))
|
||||
return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
|
||||
|
||||
return ___alloc_bootmem_node(pgdat, size, align, goal, 0);
|
||||
}
|
||||
|
||||
void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
|
||||
unsigned long align, unsigned long goal)
|
||||
{
|
||||
return __alloc_bootmem_node(pgdat, size, align, goal);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* __alloc_bootmem_low - allocate low boot memory
|
||||
* @size: size of the request in bytes
|
||||
* @align: alignment of the region
|
||||
* @goal: preferred starting address of the region
|
||||
*
|
||||
* The goal is dropped if it can not be satisfied and the allocation will
|
||||
* fall back to memory below @goal.
|
||||
*
|
||||
* Allocation may happen on any node in the system.
|
||||
*
|
||||
* The function panics if the request can not be satisfied.
|
||||
*
|
||||
* Return: address of the allocated region.
|
||||
*/
|
||||
void * __init __alloc_bootmem_low(unsigned long size, unsigned long align,
|
||||
unsigned long goal)
|
||||
{
|
||||
return ___alloc_bootmem(size, align, goal, ARCH_LOW_ADDRESS_LIMIT);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue