diff options
Diffstat (limited to 'mm/memblock.c')
-rw-r--r-- | mm/memblock.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index a925866e145..c1d2060e213 100644 --- a/mm/memblock.c +++ b/mm/memblock.c | |||
@@ -309,8 +309,8 @@ static phys_addr_t memblock_align_up(phys_addr_t addr, phys_addr_t size) | |||
309 | return (addr + (size - 1)) & ~(size - 1); | 309 | return (addr + (size - 1)) & ~(size - 1); |
310 | } | 310 | } |
311 | 311 | ||
312 | static phys_addr_t __init memblock_alloc_region(phys_addr_t start, phys_addr_t end, | 312 | static phys_addr_t __init memblock_find_region(phys_addr_t start, phys_addr_t end, |
313 | phys_addr_t size, phys_addr_t align) | 313 | phys_addr_t size, phys_addr_t align) |
314 | { | 314 | { |
315 | phys_addr_t base, res_base; | 315 | phys_addr_t base, res_base; |
316 | long j; | 316 | long j; |
@@ -318,12 +318,8 @@ static phys_addr_t __init memblock_alloc_region(phys_addr_t start, phys_addr_t e | |||
318 | base = memblock_align_down((end - size), align); | 318 | base = memblock_align_down((end - size), align); |
319 | while (start <= base) { | 319 | while (start <= base) { |
320 | j = memblock_overlaps_region(&memblock.reserved, base, size); | 320 | j = memblock_overlaps_region(&memblock.reserved, base, size); |
321 | if (j < 0) { | 321 | if (j < 0) |
322 | /* this area isn't reserved, take it */ | ||
323 | if (memblock_add_region(&memblock.reserved, base, size) < 0) | ||
324 | base = ~(phys_addr_t)0; | ||
325 | return base; | 322 | return base; |
326 | } | ||
327 | res_base = memblock.reserved.regions[j].base; | 323 | res_base = memblock.reserved.regions[j].base; |
328 | if (res_base < size) | 324 | if (res_base < size) |
329 | break; | 325 | break; |
@@ -356,8 +352,9 @@ static phys_addr_t __init memblock_alloc_nid_region(struct memblock_region *mp, | |||
356 | 352 | ||
357 | this_end = memblock_nid_range(start, end, &this_nid); | 353 | this_end = memblock_nid_range(start, end, &this_nid); |
358 | if (this_nid == nid) { | 354 | if (this_nid == nid) { |
359 | phys_addr_t ret = memblock_alloc_region(start, this_end, size, align); | 355 | phys_addr_t ret = memblock_find_region(start, this_end, size, align); |
360 | if (ret != ~(phys_addr_t)0) | 356 | if (ret != ~(phys_addr_t)0 && |
357 | memblock_add_region(&memblock.reserved, ret, size) >= 0) | ||
361 | return ret; | 358 | return ret; |
362 | } | 359 | } |
363 | start = this_end; | 360 | start = this_end; |
@@ -432,8 +429,9 @@ phys_addr_t __init __memblock_alloc_base(phys_addr_t size, phys_addr_t align, ph | |||
432 | if (memblocksize < size) | 429 | if (memblocksize < size) |
433 | continue; | 430 | continue; |
434 | base = min(memblockbase + memblocksize, max_addr); | 431 | base = min(memblockbase + memblocksize, max_addr); |
435 | res_base = memblock_alloc_region(memblockbase, base, size, align); | 432 | res_base = memblock_find_region(memblockbase, base, size, align); |
436 | if (res_base != ~(phys_addr_t)0) | 433 | if (res_base != ~(phys_addr_t)0 && |
434 | memblock_add_region(&memblock.reserved, res_base, size) >= 0) | ||
437 | return res_base; | 435 | return res_base; |
438 | } | 436 | } |
439 | return 0; | 437 | return 0; |