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author | Takashi Iwai <tiwai@suse.de> | 2014-03-13 12:53:25 +0400 |
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committer | Takashi Iwai <tiwai@suse.de> | 2014-03-13 12:53:25 +0400 |
commit | 5fdb83f190ee2218d113a46b190b70aa1c979325 (patch) | |
tree | fbb95a73b111c2e4d0320393754c11a9ec026b39 /mm/mprotect.c | |
parent | 4c16ecc4c0715e0b6b3c7b72976c05b0e212cd0f (diff) | |
parent | deeed33850c8a376addabbf971df433b2a1ba74c (diff) | |
download | linux-5fdb83f190ee2218d113a46b190b70aa1c979325.tar.xz |
Merge tag 'asoc-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.15
Quite a busy release for ASoC this time, more on janitorial work than
exciting new features but welcome nontheless:
- Lots of cleanups from Takashi for enumerations; the original API for
these was error prone so he's refactored lots of code to use more
modern APIs which avoid issues.
- Elimination of the ASoC level wrappers for I2C and SPI moving us
closer to converting to regmap completely and avoiding some
randconfig hassle.
- Provide both manually and transparently locked DAPM APIs rather than
a mix of the two fixing some concurrency issues.
- Start converting CODEC drivers to use separate bus interface drivers
rather than having them all in one file helping avoid dependency
issues.
- DPCM support for Intel Haswell and Bay Trail platforms.
- Lots of work on improvements for simple-card, DaVinci and the Renesas
rcar drivers.
- New drivers for Analog Devices ADAU1977, TI PCM512x and parts of the
CSR SiRF SoC.
Diffstat (limited to 'mm/mprotect.c')
-rw-r--r-- | mm/mprotect.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index 7332c1785744..769a67a15803 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -58,36 +58,27 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd, if (pte_numa(ptent)) ptent = pte_mknonnuma(ptent); ptent = pte_modify(ptent, newprot); + /* + * Avoid taking write faults for pages we + * know to be dirty. + */ + if (dirty_accountable && pte_dirty(ptent)) + ptent = pte_mkwrite(ptent); + ptep_modify_prot_commit(mm, addr, pte, ptent); updated = true; } else { struct page *page; - ptent = *pte; page = vm_normal_page(vma, addr, oldpte); if (page && !PageKsm(page)) { if (!pte_numa(oldpte)) { - ptent = pte_mknuma(ptent); - set_pte_at(mm, addr, pte, ptent); + ptep_set_numa(mm, addr, pte); updated = true; } } } - - /* - * Avoid taking write faults for pages we know to be - * dirty. - */ - if (dirty_accountable && pte_dirty(ptent)) { - ptent = pte_mkwrite(ptent); - updated = true; - } - if (updated) pages++; - - /* Only !prot_numa always clears the pte */ - if (!prot_numa) - ptep_modify_prot_commit(mm, addr, pte, ptent); } else if (IS_ENABLED(CONFIG_MIGRATION) && !pte_file(oldpte)) { swp_entry_t entry = pte_to_swp_entry(oldpte); |