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| author | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-12-12 10:15:57 +0400 |
|---|---|---|
| committer | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-12-12 10:15:57 +0400 |
| commit | 76d8a23b127020472207b281427d3e9f4f1227e4 (patch) | |
| tree | e14d7063d96d850fb259115d6fb08cbeb98ccf88 /mm/mempolicy.c | |
| parent | eba3b670a9166a91be5a11fe33290dca6b9457a2 (diff) | |
| parent | 1ebaf4f4e6912199f8a4e30ba3ab55da2b71bcdf (diff) | |
| download | linux-76d8a23b127020472207b281427d3e9f4f1227e4.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
The merge is merely to fix conflicts before sending a pull request.
Conflicts:
drivers/power/ab8500_btemp.c
drivers/power/ab8500_charger.c
drivers/power/ab8500_fg.c
drivers/power/abx500_chargalg.c
drivers/power/max8925_power.c
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Diffstat (limited to 'mm/mempolicy.c')
| -rw-r--r-- | mm/mempolicy.c | 43 |
1 files changed, 4 insertions, 39 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index d04a8a54c294..05b28361a39b 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1907,7 +1907,6 @@ alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma, unsigned long addr, int node) { struct mempolicy *pol; - struct zonelist *zl; struct page *page; unsigned int cpuset_mems_cookie; @@ -1926,23 +1925,11 @@ retry_cpuset: return page; } - zl = policy_zonelist(gfp, pol, node); - if (unlikely(mpol_needs_cond_ref(pol))) { - /* - * slow path: ref counted shared policy - */ - struct page *page = __alloc_pages_nodemask(gfp, order, - zl, policy_nodemask(gfp, pol)); - __mpol_put(pol); - if (unlikely(!put_mems_allowed(cpuset_mems_cookie) && !page)) - goto retry_cpuset; - return page; - } - /* - * fast path: default or task policy - */ - page = __alloc_pages_nodemask(gfp, order, zl, + page = __alloc_pages_nodemask(gfp, order, + policy_zonelist(gfp, pol, node), policy_nodemask(gfp, pol)); + if (unlikely(mpol_needs_cond_ref(pol))) + __mpol_put(pol); if (unlikely(!put_mems_allowed(cpuset_mems_cookie) && !page)) goto retry_cpuset; return page; @@ -2037,28 +2024,6 @@ struct mempolicy *__mpol_dup(struct mempolicy *old) return new; } -/* - * If *frompol needs [has] an extra ref, copy *frompol to *tompol , - * eliminate the * MPOL_F_* flags that require conditional ref and - * [NOTE!!!] drop the extra ref. Not safe to reference *frompol directly - * after return. Use the returned value. - * - * Allows use of a mempolicy for, e.g., multiple allocations with a single - * policy lookup, even if the policy needs/has extra ref on lookup. - * shmem_readahead needs this. - */ -struct mempolicy *__mpol_cond_copy(struct mempolicy *tompol, - struct mempolicy *frompol) -{ - if (!mpol_needs_cond_ref(frompol)) - return frompol; - - *tompol = *frompol; - tompol->flags &= ~MPOL_F_SHARED; /* copy doesn't need unref */ - __mpol_put(frompol); - return tompol; -} - /* Slow path of a mempolicy comparison */ bool __mpol_equal(struct mempolicy *a, struct mempolicy *b) { |