diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-11 16:06:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-11 16:06:54 -0700 |
| commit | 00c3e276c54ca7e102f1b771715da76b4e86a098 (patch) | |
| tree | 6563a263166bb5acf1945914e3770260dcc38d65 /mm/sparse.c | |
| parent | 605cd83694fa175894a1c63191f1f10c449b93a8 (diff) | |
| parent | 29f6738609e40227dabcc63bfb3b84b3726a75bd (diff) | |
Merge branch 'akpm' (Andrew's patch-bomb)
Merge random patches from Andrew Morton.
* Merge emailed patches from Andrew Morton <akpm@linux-foundation.org>: (32 commits)
memblock: free allocated memblock_reserved_regions later
mm: sparse: fix usemap allocation above node descriptor section
mm: sparse: fix section usemap placement calculation
xtensa: fix incorrect memset
shmem: cleanup shmem_add_to_page_cache
shmem: fix negative rss in memcg memory.stat
tmpfs: revert SEEK_DATA and SEEK_HOLE
drivers/rtc/rtc-twl.c: fix threaded IRQ to use IRQF_ONESHOT
fat: fix non-atomic NFS i_pos read
MAINTAINERS: add OMAP CPUfreq driver to OMAP Power Management section
sgi-xp: nested calls to spin_lock_irqsave()
fs: ramfs: file-nommu: add SetPageUptodate()
drivers/rtc/rtc-mxc.c: fix irq enabled interrupts warning
mm/memory_hotplug.c: release memory resources if hotadd_new_pgdat() fails
h8300/uaccess: add mising __clear_user()
h8300/uaccess: remove assignment to __gu_val in unhandled case of get_user()
h8300/time: add missing #include <asm/irq_regs.h>
h8300/signal: fix typo "statis"
h8300/pgtable: add missing #include <asm-generic/pgtable.h>
drivers/rtc/rtc-ab8500.c: ensure correct probing of the AB8500 RTC when Device Tree is enabled
...
Diffstat (limited to 'mm/sparse.c')
| -rw-r--r-- | mm/sparse.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/mm/sparse.c b/mm/sparse.c index 6a4bf9160e8..c7bb952400c 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -275,8 +275,9 @@ static unsigned long * __init sparse_early_usemaps_alloc_pgdat_section(struct pglist_data *pgdat, unsigned long size) { - pg_data_t *host_pgdat; - unsigned long goal; + unsigned long goal, limit; + unsigned long *p; + int nid; /* * A page may contain usemaps for other sections preventing the * page being freed and making a section unremovable while @@ -287,10 +288,17 @@ sparse_early_usemaps_alloc_pgdat_section(struct pglist_data *pgdat, * from the same section as the pgdat where possible to avoid * this problem. */ - goal = __pa(pgdat) & PAGE_SECTION_MASK; - host_pgdat = NODE_DATA(early_pfn_to_nid(goal >> PAGE_SHIFT)); - return __alloc_bootmem_node_nopanic(host_pgdat, size, - SMP_CACHE_BYTES, goal); + goal = __pa(pgdat) & (PAGE_SECTION_MASK << PAGE_SHIFT); + limit = goal + (1UL << PA_SECTION_SHIFT); + nid = early_pfn_to_nid(goal >> PAGE_SHIFT); +again: + p = ___alloc_bootmem_node_nopanic(NODE_DATA(nid), size, + SMP_CACHE_BYTES, goal, limit); + if (!p && limit) { + limit = 0; + goto again; + } + return p; } static void __init check_usemap_section_nr(int nid, unsigned long *usemap) |