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Commit 5303b68f authored by Yinghai Lu's avatar Yinghai Lu Committed by Benjamin Herrenschmidt
Browse files

memblock: Add memblock_find_in_range() 



This is a wrapper for memblock_find_base() using slightly different
arguments (start,end instead of start,size for example) in order to
make it easier to convert existing arch/x86 code.

Signed-off-by: default avatarYinghai Lu <yinghai@kernel.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 10d06439

include/linux/memblock.h

+2 −0
Original line number Diff line number Diff line
@@ -47,6 +47,8 @@ extern int memblock_can_resize; 
#define memblock_dbg(fmt, ...) \

	if (memblock_debug) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)



u64 memblock_find_in_range(u64 start, u64 end, u64 size, u64 align);



extern void __init memblock_init(void);

extern void __init memblock_analyze(void);

extern long memblock_add(phys_addr_t base, phys_addr_t size);

mm/memblock.c

+8 −0
Original line number Diff line number Diff line
@@ -162,6 +162,14 @@ static phys_addr_t __init memblock_find_base(phys_addr_t size, phys_addr_t align 
	return MEMBLOCK_ERROR;

}



/*

 * Find a free area with specified alignment in a specific range.

 */

u64 __init_memblock memblock_find_in_range(u64 start, u64 end, u64 size, u64 align)

{

	return memblock_find_base(size, align, start, end);

}



static void __init_memblock memblock_remove_region(struct memblock_type *type, unsigned long r)

{

	unsigned long i;