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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-02-15 17:00:22 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-02-15 17:00:22 +0100
commitacc3a645ef4bb301366a609730df3cd6a52154a1 (patch)
tree9b64ca50d954c29b29fed94656b3a6c916e3aae0 /mm/filemap.c
parentMAINTAINERS: cpuidle: exynos: include header in file pattern (diff)
parentMerge back cpufreq updates for v5.12. (diff)
downloadwireguard-linux-acc3a645ef4bb301366a609730df3cd6a52154a1.tar.xz
wireguard-linux-acc3a645ef4bb301366a609730df3cd6a52154a1.zip
Merge branches 'pm-cpuidle' and 'pm-cpufreq'
* pm-cpuidle: MAINTAINERS: cpuidle: exynos: include header in file pattern intel_idle: remove definition of DEBUG * pm-cpufreq: cpufreq: Remove unused flag CPUFREQ_PM_NO_WARN cpufreq: Remove CPUFREQ_STICKY flag cpufreq: intel_pstate: Remove repeated word cpufreq: remove tango driver cpufreq: brcmstb-avs-cpufreq: Fix resource leaks in ->remove() cpufreq: brcmstb-avs-cpufreq: Free resources in error path cpufreq: qcom-hw: enable boost support cpufreq: tegra20: Use resource-managed API cpufreq: intel_pstate: Get per-CPU max freq via MSR_HWP_CAPABILITIES if available cpufreq: intel_pstate: Rename two functions cpufreq: intel_pstate: Change intel_pstate_get_hwp_max() argument cpufreq: intel_pstate: Always read hwp_cap_cached with READ_ONCE()
Diffstat (limited to '')
-rw-r--r--mm/filemap.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 5c9d564317a5..aa0e0fb04670 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -835,6 +835,7 @@ noinline int __add_to_page_cache_locked(struct page *page,
XA_STATE(xas, &mapping->i_pages, offset);
int huge = PageHuge(page);
int error;
+ bool charged = false;
VM_BUG_ON_PAGE(!PageLocked(page), page);
VM_BUG_ON_PAGE(PageSwapBacked(page), page);
@@ -848,6 +849,7 @@ noinline int __add_to_page_cache_locked(struct page *page,
error = mem_cgroup_charge(page, current->mm, gfp);
if (error)
goto error;
+ charged = true;
}
gfp &= GFP_RECLAIM_MASK;
@@ -896,6 +898,8 @@ unlock:
if (xas_error(&xas)) {
error = xas_error(&xas);
+ if (charged)
+ mem_cgroup_uncharge(page);
goto error;
}